2123952579560 has 64 divisors (see below), whose sum is σ = 5471577371520. Its totient is φ = 726880976640.

The previous prime is 2123952579547. The next prime is 2123952579583. The reversal of 2123952579560 is 659752593212.

It is a super-2 number, since 2×2123952579560² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a junction number, because it is equal to n+sod(n) for n = 2123952579496 and 2123952579505.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6780611 + ... + 7086930.

It is an arithmetic number, because the mean of its divisors is an integer number (85493396430).

Almost surely, 2^{2123952579560} is an apocalyptic number.

2123952579560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2123952579560 is an abundant number, since it is smaller than the sum of its proper divisors (3347624791960).

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

2123952579560 is a wasteful number, since it uses less digits than its factorization.

2123952579560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13868106 (or 13868102 counting only the distinct ones).

The product of its (nonzero) digits is 10206000, while the sum is 56.

The spelling of 2123952579560 in words is "two trillion, one hundred twenty-three billion, nine hundred fifty-two million, five hundred seventy-nine thousand, five hundred sixty".