61136888863116 has 48 divisors (see below), whose sum is σ = 158932260426240. Its totient is φ = 18132152723520.

The previous prime is 61136888863049. The next prime is 61136888863117.

61136888863116 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is not an unprimeable number, because it can be changed into a prime (61136888863117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4927209211 + ... + 4927221618.

It is an arithmetic number, because the mean of its divisors is an integer number (3311088758880).

Almost surely, 2^{61136888863116} is an apocalyptic number.

61136888863116 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

61136888863116 is an abundant number, since it is smaller than the sum of its proper divisors (97795371563124).

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

61136888863116 is a wasteful number, since it uses less digits than its factorization.

61136888863116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9854430894 (or 9854430892 counting only the distinct ones).

The product of its digits is 47775744, while the sum is 66.

The spelling of 61136888863116 in words is "sixty-one trillion, one hundred thirty-six billion, eight hundred eighty-eight million, eight hundred sixty-three thousand, one hundred sixteen".