61302654643512 has 64 divisors (see below), whose sum is σ = 154439641699200. Its totient is φ = 20276510683520.

The previous prime is 61302654643499. The next prime is 61302654643537. The reversal of 61302654643512 is 21534645620316.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36488314 + ... + 38131382.

It is an arithmetic number, because the mean of its divisors is an integer number (2413119401550).

Almost surely, 2^{61302654643512} is an apocalyptic number.

It is an amenable number.

61302654643512 is an abundant number, since it is smaller than the sum of its proper divisors (93136987055688).

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

61302654643512 is a wasteful number, since it uses less digits than its factorization.

61302654643512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1655076 (or 1655072 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 48.

The spelling of 61302654643512 in words is "sixty-one trillion, three hundred two billion, six hundred fifty-four million, six hundred forty-three thousand, five hundred twelve".