156156171541240 has 64 divisors (see below), whose sum is σ = 386429020306560. Its totient is φ = 56430904535040.

The previous prime is 156156171541217. The next prime is 156156171541261. The reversal of 156156171541240 is 42145171651651.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3194659921 + ... + 3194708800.

It is an arithmetic number, because the mean of its divisors is an integer number (6037953442290).

Almost surely, 2^{156156171541240} is an apocalyptic number.

156156171541240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

156156171541240 is an abundant number, since it is smaller than the sum of its proper divisors (230272848765320).

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

156156171541240 is a wasteful number, since it uses less digits than its factorization.

156156171541240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6389368792 (or 6389368788 counting only the distinct ones).

The product of its (nonzero) digits is 1008000, while the sum is 49.

The spelling of 156156171541240 in words is "one hundred fifty-six trillion, one hundred fifty-six billion, one hundred seventy-one million, five hundred forty-one thousand, two hundred forty".