61534503564406 has 64 divisors (see below), whose sum is σ = 94051338891840. Its totient is φ = 30190521968640.

The previous prime is 61534503564389. The next prime is 61534503564449. The reversal of 61534503564406 is 60446530543516.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12463943970 + ... + 12463948906.

It is an arithmetic number, because the mean of its divisors is an integer number (1469552170185).

Almost surely, 2^{61534503564406} is an apocalyptic number.

61534503564406 is a deficient number, since it is larger than the sum of its proper divisors (32516835327434).

61534503564406 is a wasteful number, since it uses less digits than its factorization.

61534503564406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6289.

The product of its (nonzero) digits is 15552000, while the sum is 52.

The spelling of 61534503564406 in words is "sixty-one trillion, five hundred thirty-four billion, five hundred three million, five hundred sixty-four thousand, four hundred six".