61435596725 has 12 divisors (see below), whose sum is σ = 76208872320. Its totient is φ = 49129940400.

The previous prime is 61435596713. The next prime is 61435596757. The reversal of 61435596725 is 52769553416.

It is not a de Polignac number, because 61435596725 - 2¹⁰ = 61435595701 is a prime.

It is a hoax number, since the sum of its digits (53) coincides with the sum of the digits of its distinct prime factors.

It is a congruent 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, 395621 + ... + 528570.

It is an arithmetic number, because the mean of its divisors is an integer number (6350739360).

Almost surely, 2^61435596725 is an apocalyptic number.

It is an amenable number.

61435596725 is a deficient number, since it is larger than the sum of its proper divisors (14773275595).

61435596725 is a wasteful number, since it uses less digits than its factorization.

61435596725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 926860 (or 926855 counting only the distinct ones).

The product of its digits is 6804000, while the sum is 53.

The spelling of 61435596725 in words is "sixty-one billion, four hundred thirty-five million, five hundred ninety-six thousand, seven hundred twenty-five".