1555103250232 has 64 divisors (see below), whose sum is σ = 3448468728000. Its totient is φ = 643267838976.

The previous prime is 1555103250223. The next prime is 1555103250241. The reversal of 1555103250232 is 2320523015551.

It is an interprime number because it is at equal distance from previous prime (1555103250223) and next prime (1555103250241).

It is a super-3 number, since 3×1555103250232³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4559628 + ... + 4888804.

It is an arithmetic number, because the mean of its divisors is an integer number (53882323875).

Almost surely, 2^{1555103250232} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1555103250232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1724234364000).

1555103250232 is an abundant number, since it is smaller than the sum of its proper divisors (1893365477768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1555103250232 is a wasteful number, since it uses less digits than its factorization.

1555103250232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332128 (or 332124 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 34.

Adding to 1555103250232 its reverse (2320523015551), we get a palindrome (3875626265783).

The spelling of 1555103250232 in words is "one trillion, five hundred fifty-five billion, one hundred three million, two hundred fifty thousand, two hundred thirty-two".