61325053470064 has 10 divisors (see below), whose sum is σ = 118817291098280. Its totient is φ = 30662526735024.

The previous prime is 61325053470019. The next prime is 61325053470101. The reversal of 61325053470064 is 46007435052316.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 61325053469996 and 61325053470023.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1916407920924 + ... + 1916407920955.

It is an arithmetic number, because the mean of its divisors is an integer number (11881729109828).

Almost surely, 2^{61325053470064} is an apocalyptic number.

It is an amenable number.

61325053470064 is a deficient number, since it is larger than the sum of its proper divisors (57492237628216).

61325053470064 is a wasteful number, since it uses less digits than its factorization.

61325053470064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3832815841887 (or 3832815841881 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 46.

The spelling of 61325053470064 in words is "sixty-one trillion, three hundred twenty-five billion, fifty-three million, four hundred seventy thousand, sixty-four".