61404600501 has 16 divisors (see below), whose sum is σ = 95757662400. Its totient is φ = 38781852624.

The previous prime is 61404600479. The next prime is 61404600529. The reversal of 61404600501 is 10500640416.

61404600501 is a `hidden beast` number, since 6 + 1 + 4 + 0 + 4 + 600 + 50 + 1 = 666.

It is not a de Polignac number, because 61404600501 - 2⁵ = 61404600469 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61404600571) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59848026 + ... + 59849051.

It is an arithmetic number, because the mean of its divisors is an integer number (5984853900).

Almost surely, 2^61404600501 is an apocalyptic number.

It is an amenable number.

61404600501 is a deficient number, since it is larger than the sum of its proper divisors (34353061899).

61404600501 is a wasteful number, since it uses less digits than its factorization.

61404600501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119697105 (or 119697099 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The spelling of 61404600501 in words is "sixty-one billion, four hundred four million, six hundred thousand, five hundred one".