61352660455 has 8 divisors (see below), whose sum is σ = 73636051104. Its totient is φ = 49073556000.

The previous prime is 61352660431. The next prime is 61352660483. The reversal of 61352660455 is 55406625316.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 61352660455 - 2⁵ = 61352660423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1039971 + ... + 1097380.

It is an arithmetic number, because the mean of its divisors is an integer number (9204506388).

Almost surely, 2^61352660455 is an apocalyptic number.

61352660455 is a deficient number, since it is larger than the sum of its proper divisors (12283390649).

61352660455 is a wasteful number, since it uses less digits than its factorization.

61352660455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2143097.

The product of its (nonzero) digits is 648000, while the sum is 43.

The spelling of 61352660455 in words is "sixty-one billion, three hundred fifty-two million, six hundred sixty thousand, four hundred fifty-five".