61368983415 has 12 divisors (see below), whose sum is σ = 106372904664. Its totient is φ = 32730124464.

The previous prime is 61368983413. The next prime is 61368983471. The reversal of 61368983415 is 51438986316.

61368983415 is a `hidden beast` number, since 6 + 136 + 8 + 98 + 3 + 415 = 666.

It is not a de Polignac number, because 61368983415 - 2¹ = 61368983413 is a prime.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61368983413) 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, 681877549 + ... + 681877638.

It is an arithmetic number, because the mean of its divisors is an integer number (8864408722).

Almost surely, 2^61368983415 is an apocalyptic number.

61368983415 is a deficient number, since it is larger than the sum of its proper divisors (45003921249).

61368983415 is a wasteful number, since it uses less digits than its factorization.

61368983415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1363755198 (or 1363755195 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 54.

The spelling of 61368983415 in words is "sixty-one billion, three hundred sixty-eight million, nine hundred eighty-three thousand, four hundred fifteen".