156538655102 has 4 divisors (see below), whose sum is σ = 234807982656. Its totient is φ = 78269327550.

The previous prime is 156538655083. The next prime is 156538655107. The reversal of 156538655102 is 201556835651.

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

It is a super-2 number, since 2×156538655102² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156538655107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39134663774 + ... + 39134663777.

It is an arithmetic number, because the mean of its divisors is an integer number (58701995664).

Almost surely, 2^156538655102 is an apocalyptic number.

156538655102 is a deficient number, since it is larger than the sum of its proper divisors (78269327554).

156538655102 is an equidigital number, since it uses as much as digits as its factorization.

156538655102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78269327553.

The product of its (nonzero) digits is 1080000, while the sum is 47.

The spelling of 156538655102 in words is "one hundred fifty-six billion, five hundred thirty-eight million, six hundred fifty-five thousand, one hundred two".