861162452425 has 12 divisors (see below), whose sum is σ = 1164917936016. Its totient is φ = 626299965200.

The previous prime is 861162452401. The next prime is 861162452431. The reversal of 861162452425 is 524254261168.

It is a de Polignac number, because none of the positive numbers 2^k-861162452425 is a prime.

It is a Duffinian 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, 1565749639 + ... + 1565750188.

It is an arithmetic number, because the mean of its divisors is an integer number (97076494668).

Almost surely, 2^861162452425 is an apocalyptic number.

It is an amenable number.

861162452425 is a deficient number, since it is larger than the sum of its proper divisors (303755483591).

861162452425 is a wasteful number, since it uses less digits than its factorization.

861162452425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3131499848 (or 3131499843 counting only the distinct ones).

The product of its digits is 921600, while the sum is 46.

The spelling of 861162452425 in words is "eight hundred sixty-one billion, one hundred sixty-two million, four hundred fifty-two thousand, four hundred twenty-five".