156115717104 has 80 divisors (see below), whose sum is σ = 411499224864. Its totient is φ = 50983296000.

The previous prime is 156115717103. The next prime is 156115717127. The reversal of 156115717104 is 401717511651.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156115717103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1739574 + ... + 1827114.

Almost surely, 2^156115717104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 156115717104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (205749612432).

156115717104 is an abundant number, since it is smaller than the sum of its proper divisors (255383507760).

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

156115717104 is a wasteful number, since it uses less digits than its factorization.

156115717104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88306 (or 88300 counting only the distinct ones).

The product of its (nonzero) digits is 29400, while the sum is 39.

The spelling of 156115717104 in words is "one hundred fifty-six billion, one hundred fifteen million, seven hundred seventeen thousand, one hundred four".