61102608479 has 12 divisors (see below), whose sum is σ = 70809066168. Its totient is φ = 52280304000.

The previous prime is 61102608439. The next prime is 61102608493. The reversal of 61102608479 is 97480620116.

It is not a de Polignac number, because 61102608479 - 2³² = 56807641183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61102608439) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9607172 + ... + 9613529.

It is an arithmetic number, because the mean of its divisors is an integer number (5900755514).

Almost surely, 2^61102608479 is an apocalyptic number.

61102608479 is a deficient number, since it is larger than the sum of its proper divisors (9706457689).

61102608479 is a wasteful number, since it uses less digits than its factorization.

61102608479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19220746 (or 19220729 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 44.

The spelling of 61102608479 in words is "sixty-one billion, one hundred two million, six hundred eight thousand, four hundred seventy-nine".