156538650255 has 64 divisors (see below), whose sum is σ = 274272327168. Its totient is φ = 75771210240.

The previous prime is 156538650227. The next prime is 156538650259. The reversal of 156538650255 is 552056835651.

It is not a de Polignac number, because 156538650255 - 2⁷ = 156538650127 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 156538650198 and 156538650207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156538650259) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7057092 + ... + 7079238.

It is an arithmetic number, because the mean of its divisors is an integer number (4285505112).

Almost surely, 2^156538650255 is an apocalyptic number.

156538650255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

156538650255 is a deficient number, since it is larger than the sum of its proper divisors (117733676913).

156538650255 is a wasteful number, since it uses less digits than its factorization.

156538650255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22776.

The product of its (nonzero) digits is 5400000, while the sum is 51.

The spelling of 156538650255 in words is "one hundred fifty-six billion, five hundred thirty-eight million, six hundred fifty thousand, two hundred fifty-five".