2159320137552 has 60 divisors (see below), whose sum is σ = 6251480008020. Its totient is φ = 694953606144.

The previous prime is 2159320137547. The next prime is 2159320137577. The reversal of 2159320137552 is 2557310239512.

2159320137552 is a `hidden beast` number, since 2 + 1 + 5 + 93 + 2 + 0 + 1 + 3 + 7 + 552 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1835418010176 + 323902127376 = 1354776^2 + 569124^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2159320137498 and 2159320137507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 258535113 + ... + 258543464.

It is an arithmetic number, because the mean of its divisors is an integer number (104191333467).

Almost surely, 2^{2159320137552} is an apocalyptic number.

It is an amenable number.

2159320137552 is an abundant number, since it is smaller than the sum of its proper divisors (4092159870468).

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

2159320137552 is a wasteful number, since it uses less digits than its factorization.

2159320137552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517078620 (or 517078611 counting only the distinct ones).

The product of its (nonzero) digits is 567000, while the sum is 45.

The spelling of 2159320137552 in words is "two trillion, one hundred fifty-nine billion, three hundred twenty million, one hundred thirty-seven thousand, five hundred fifty-two".