61206677275 has 24 divisors (see below), whose sum is σ = 76834256400. Its totient is φ = 48361420800.

The previous prime is 61206677269. The next prime is 61206677303. The reversal of 61206677275 is 57277660216.

It is not a de Polignac number, because 61206677275 - 2³⁵ = 26846938907 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2052220 + ... + 2081830.

It is an arithmetic number, because the mean of its divisors is an integer number (3201427350).

Almost surely, 2^61206677275 is an apocalyptic number.

61206677275 is a deficient number, since it is larger than the sum of its proper divisors (15627579125).

61206677275 is a wasteful number, since it uses less digits than its factorization.

61206677275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30639 (or 30634 counting only the distinct ones).

The product of its (nonzero) digits is 1481760, while the sum is 49.

The spelling of 61206677275 in words is "sixty-one billion, two hundred six million, six hundred seventy-seven thousand, two hundred seventy-five".