1055251523502 has 96 divisors (see below), whose sum is σ = 2562109935840. Its totient is φ = 311073903360.

The previous prime is 1055251523467. The next prime is 1055251523509. The reversal of 1055251523502 is 2053251525501.

1055251523502 is a `hidden beast` number, since 1 + 0 + 5 + 5 + 251 + 52 + 350 + 2 = 666.

It is a super-2 number, since 2×1055251523502² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055251523509) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 57052968 + ... + 57071460.

It is an arithmetic number, because the mean of its divisors is an integer number (26688645165).

Almost surely, 2^{1055251523502} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1055251523502, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1281054967920).

1055251523502 is an abundant number, since it is smaller than the sum of its proper divisors (1506858412338).

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

1055251523502 is a wasteful number, since it uses less digits than its factorization.

1055251523502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26338 (or 26335 counting only the distinct ones).

The product of its (nonzero) digits is 75000, while the sum is 36.

The spelling of 1055251523502 in words is "one trillion, fifty-five billion, two hundred fifty-one million, five hundred twenty-three thousand, five hundred two".