61614535425 has 12 divisors (see below), whose sum is σ = 101869365360. Its totient is φ = 32861085520.

The previous prime is 61614535399. The next prime is 61614535447. The reversal of 61614535425 is 52453541616.

It is not a de Polignac number, because 61614535425 - 2⁵ = 61614535393 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, 410763495 + ... + 410763644.

It is an arithmetic number, because the mean of its divisors is an integer number (8489113780).

Almost surely, 2^61614535425 is an apocalyptic number.

It is an amenable number.

61614535425 is a deficient number, since it is larger than the sum of its proper divisors (40254829935).

61614535425 is a wasteful number, since it uses less digits than its factorization.

61614535425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 821527152 (or 821527147 counting only the distinct ones).

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

The spelling of 61614535425 in words is "sixty-one billion, six hundred fourteen million, five hundred thirty-five thousand, four hundred twenty-five".