61204522407 has 64 divisors (see below), whose sum is σ = 101390745600. Its totient is φ = 32063074560.

The previous prime is 61204522399. The next prime is 61204522409. The reversal of 61204522407 is 70422540216.

It is not a de Polignac number, because 61204522407 - 2³ = 61204522399 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61204522409) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1650682 + ... + 1687352.

It is an arithmetic number, because the mean of its divisors is an integer number (1584230400).

Almost surely, 2^61204522407 is an apocalyptic number.

61204522407 is a deficient number, since it is larger than the sum of its proper divisors (40186223193).

61204522407 is a wasteful number, since it uses less digits than its factorization.

61204522407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36836.

The product of its (nonzero) digits is 26880, while the sum is 33.

The spelling of 61204522407 in words is "sixty-one billion, two hundred four million, five hundred twenty-two thousand, four hundred seven".