61214362528 has 48 divisors (see below), whose sum is σ = 131512278240. Its totient is φ = 27816134400.

The previous prime is 61214362513. The next prime is 61214362549. The reversal of 61214362528 is 82526341216.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1196023 + ... + 1246153.

It is an arithmetic number, because the mean of its divisors is an integer number (2739839130).

Almost surely, 2^61214362528 is an apocalyptic number.

It is an amenable number.

61214362528 is an abundant number, since it is smaller than the sum of its proper divisors (70297915712).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61214362528 is a wasteful number, since it uses less digits than its factorization.

61214362528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53621 (or 53613 counting only the distinct ones).

The product of its digits is 138240, while the sum is 40.

The spelling of 61214362528 in words is "sixty-one billion, two hundred fourteen million, three hundred sixty-two thousand, five hundred twenty-eight".