156405115216 has 40 divisors (see below), whose sum is σ = 346469145984. Its totient is φ = 67002983040.

The previous prime is 156405115213. The next prime is 156405115277. The reversal of 156405115216 is 612511504651.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156405115213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16795 + ... + 559546.

Almost surely, 2^156405115216 is an apocalyptic number.

156405115216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

156405115216 is an abundant number, since it is smaller than the sum of its proper divisors (190064030768).

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

156405115216 is a wasteful number, since it uses less digits than its factorization.

156405115216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578779 (or 578773 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 37.

Adding to 156405115216 its reverse (612511504651), we get a palindrome (768916619867).

The spelling of 156405115216 in words is "one hundred fifty-six billion, four hundred five million, one hundred fifteen thousand, two hundred sixteen".