61154060412 has 12 divisors (see below), whose sum is σ = 142692807656. Its totient is φ = 20384686800.

The previous prime is 61154060399. The next prime is 61154060413. The reversal of 61154060412 is 21406045116.

61154060412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 61154060412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61154060413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2548085839 + ... + 2548085862.

Almost surely, 2^61154060412 is an apocalyptic number.

It is an amenable number.

61154060412 is an abundant number, since it is smaller than the sum of its proper divisors (81538747244).

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

61154060412 is a wasteful number, since it uses less digits than its factorization.

61154060412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5096171708 (or 5096171706 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The spelling of 61154060412 in words is "sixty-one billion, one hundred fifty-four million, sixty thousand, four hundred twelve".