156105513552 has 20 divisors (see below), whose sum is σ = 403272576800. Its totient is φ = 52035171168.

The previous prime is 156105513517. The next prime is 156105513563. The reversal of 156105513552 is 255315501651.

It is a super-2 number, since 2×156105513552² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 156105513552.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1626099052 + ... + 1626099147.

It is an arithmetic number, because the mean of its divisors is an integer number (20163628840).

Almost surely, 2^156105513552 is an apocalyptic number.

156105513552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

156105513552 is an abundant number, since it is smaller than the sum of its proper divisors (247167063248).

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

156105513552 is a wasteful number, since it uses less digits than its factorization.

156105513552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3252198210 (or 3252198204 counting only the distinct ones).

The product of its (nonzero) digits is 112500, while the sum is 39.

The spelling of 156105513552 in words is "one hundred fifty-six billion, one hundred five million, five hundred thirteen thousand, five hundred fifty-two".