61536415326325 has 24 divisors (see below), whose sum is σ = 78804272096640. Its totient is φ = 47640336374400.

The previous prime is 61536415326301. The next prime is 61536415326361. The reversal of 61536415326325 is 52362351463516.

It is a happy number.

It is not a de Polignac number, because 61536415326325 - 2⁵ = 61536415326293 is a prime.

It is a super-2 number, since 2×61536415326325² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 294116871 + ... + 294326020.

It is an arithmetic number, because the mean of its divisors is an integer number (3283511337360).

Almost surely, 2^{61536415326325} is an apocalyptic number.

It is an amenable number.

61536415326325 is a deficient number, since it is larger than the sum of its proper divisors (17267856770315).

61536415326325 is a wasteful number, since it uses less digits than its factorization.

61536415326325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588443037 (or 588443032 counting only the distinct ones).

The product of its digits is 11664000, while the sum is 52.

The spelling of 61536415326325 in words is "sixty-one trillion, five hundred thirty-six billion, four hundred fifteen million, three hundred twenty-six thousand, three hundred twenty-five".