27725422051 has 16 divisors (see below), whose sum is σ = 28546366464. Its totient is φ = 26912811744.

The previous prime is 27725422031. The next prime is 27725422057. The reversal of 27725422051 is 15022452772.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27725422051 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 27725422051.

It is not an unprimeable number, because it can be changed into a prime (27725422057) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12561390 + ... + 12563596.

It is an arithmetic number, because the mean of its divisors is an integer number (1784147904).

Almost surely, 2^27725422051 is an apocalyptic number.

27725422051 is a deficient number, since it is larger than the sum of its proper divisors (820944413).

27725422051 is a wasteful number, since it uses less digits than its factorization.

27725422051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3930.

The product of its (nonzero) digits is 78400, while the sum is 37.

The spelling of 27725422051 in words is "twenty-seven billion, seven hundred twenty-five million, four hundred twenty-two thousand, fifty-one".