61912688054 has 24 divisors (see below), whose sum is σ = 108046479960. Its totient is φ = 26530286496.

The previous prime is 61912688029. The next prime is 61912688063. The reversal of 61912688054 is 45088621916.

61912688054 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 61912687993 and 61912688011.

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, 725657 + ... + 806475.

It is an arithmetic number, because the mean of its divisors is an integer number (4501936665).

Almost surely, 2^61912688054 is an apocalyptic number.

61912688054 is a deficient number, since it is larger than the sum of its proper divisors (46133791906).

61912688054 is a wasteful number, since it uses less digits than its factorization.

61912688054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88652 (or 88645 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 50.

The spelling of 61912688054 in words is "sixty-one billion, nine hundred twelve million, six hundred eighty-eight thousand, fifty-four".