2156251325622 has 64 divisors (see below), whose sum is σ = 4382231486976. Its totient is φ = 707202164480.

The previous prime is 2156251325593. The next prime is 2156251325639. The reversal of 2156251325622 is 2265231526512.

It is a super-3 number, since 3×2156251325622³ (a number of 38 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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, 506993248 + ... + 506997500.

It is an arithmetic number, because the mean of its divisors is an integer number (68472366984).

Almost surely, 2^{2156251325622} is an apocalyptic number.

2156251325622 is an abundant number, since it is smaller than the sum of its proper divisors (2225980161354).

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

2156251325622 is a wasteful number, since it uses less digits than its factorization.

2156251325622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8245.

The product of its digits is 432000, while the sum is 42.

The spelling of 2156251325622 in words is "two trillion, one hundred fifty-six billion, two hundred fifty-one million, three hundred twenty-five thousand, six hundred twenty-two".