156161111601000 has 128 divisors (see below), whose sum is σ = 531515638143360. Its totient is φ = 37857239168000.

The previous prime is 156161111600999. The next prime is 156161111601023. The reversal of 156161111601000 is 106111161651.

156161111601000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2366044449 + ... + 2366110448.

It is an arithmetic number, because the mean of its divisors is an integer number (4152465922995).

Almost surely, 2^{156161111601000} is an apocalyptic number.

156161111601000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

156161111601000 is an abundant number, since it is smaller than the sum of its proper divisors (375354526542360).

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

156161111601000 is a wasteful number, since it uses less digits than its factorization.

156161111601000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4732154932 (or 4732154918 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 30.

Adding to 156161111601000 its reverse (106111161651), we get a palindrome (156267222762651).

The spelling of 156161111601000 in words is "one hundred fifty-six trillion, one hundred sixty-one billion, one hundred eleven million, six hundred one thousand".