156530108553 has 32 divisors (see below), whose sum is σ = 257972472576. Its totient is φ = 82210940928.

The previous prime is 156530108519. The next prime is 156530108557. The reversal of 156530108553 is 355801035651.

156530108553 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 156530108553 - 2¹⁰ = 156530107529 is a prime.

It is a super-2 number, since 2×156530108553² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (156530108557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1166800 + ... + 1294017.

It is an arithmetic number, because the mean of its divisors is an integer number (8061639768).

Almost surely, 2^156530108553 is an apocalyptic number.

156530108553 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

156530108553 is a deficient number, since it is larger than the sum of its proper divisors (101442364023).

156530108553 is a wasteful number, since it uses less digits than its factorization.

156530108553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2461073.

The product of its (nonzero) digits is 270000, while the sum is 42.

The spelling of 156530108553 in words is "one hundred fifty-six billion, five hundred thirty million, one hundred eight thousand, five hundred fifty-three".