1552162543231 has 4 divisors (see below), whose sum is σ = 1552182835464. Its totient is φ = 1552142251000.

The previous prime is 1552162543223. The next prime is 1552162543247. The reversal of 1552162543231 is 1323452612551.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1552162543231 - 2³ = 1552162543223 is a prime.

It is a super-2 number, since 2×1552162543231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1552162543201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10030945 + ... + 10184506.

It is an arithmetic number, because the mean of its divisors is an integer number (388045708866).

Almost surely, 2^{1552162543231} is an apocalyptic number.

1552162543231 is a deficient number, since it is larger than the sum of its proper divisors (20292233).

1552162543231 is an equidigital number, since it uses as much as digits as its factorization.

1552162543231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20292232.

The product of its digits is 216000, while the sum is 40.

The spelling of 1552162543231 in words is "one trillion, five hundred fifty-two billion, one hundred sixty-two million, five hundred forty-three thousand, two hundred thirty-one".