61536052655 has 32 divisors (see below), whose sum is σ = 92404205568. Its totient is φ = 38218521600.

The previous prime is 61536052601. The next prime is 61536052661. The reversal of 61536052655 is 55625063516.

It is not a de Polignac number, because 61536052655 - 2⁸ = 61536052399 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 31 ways as a sum of consecutive naturals, for example, 190562 + ... + 399231.

It is an arithmetic number, because the mean of its divisors is an integer number (2887631424).

Almost surely, 2^61536052655 is an apocalyptic number.

61536052655 is a deficient number, since it is larger than the sum of its proper divisors (30868152913).

61536052655 is a wasteful number, since it uses less digits than its factorization.

61536052655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 590087.

The product of its (nonzero) digits is 810000, while the sum is 44.

The spelling of 61536052655 in words is "sixty-one billion, five hundred thirty-six million, fifty-two thousand, six hundred fifty-five".