156055420520 has 32 divisors (see below), whose sum is σ = 351143298720. Its totient is φ = 62418861120.

The previous prime is 156055420519. The next prime is 156055420537. The reversal of 156055420520 is 25024550651.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 747599 + ... + 933281.

It is an arithmetic number, because the mean of its divisors is an integer number (10973228085).

Almost surely, 2^156055420520 is an apocalyptic number.

156055420520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

156055420520 is an abundant number, since it is smaller than the sum of its proper divisors (195087878200).

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

156055420520 is a wasteful number, since it uses less digits than its factorization.

156055420520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206705 (or 206701 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 35.

The spelling of 156055420520 in words is "one hundred fifty-six billion, fifty-five million, four hundred twenty thousand, five hundred twenty".