651122131024225 has 12 divisors (see below), whose sum is σ = 922733077108864. Its totient is φ = 446483746987920.

The previous prime is 651122131024193. The next prime is 651122131024231. The reversal of 651122131024225 is 522420131221156.

It is not a de Polignac number, because 651122131024225 - 2⁵ = 651122131024193 is a prime.

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, 1860348945609 + ... + 1860348945958.

Almost surely, 2^{651122131024225} is an apocalyptic number.

It is an amenable number.

651122131024225 is a deficient number, since it is larger than the sum of its proper divisors (271610946084639).

651122131024225 is a wasteful number, since it uses less digits than its factorization.

651122131024225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3720697891584 (or 3720697891579 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 37.

The spelling of 651122131024225 in words is "six hundred fifty-one trillion, one hundred twenty-two billion, one hundred thirty-one million, twenty-four thousand, two hundred twenty-five".