61263614512 has 20 divisors (see below), whose sum is σ = 118709132040. Its totient is φ = 30628999808.

The previous prime is 61263614507. The next prime is 61263614519. The reversal of 61263614512 is 21541636216.

It is not an unprimeable number, because it can be changed into a prime (61263614519) 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, 10539 + ... + 350197.

It is an arithmetic number, because the mean of its divisors is an integer number (5935456602).

Almost surely, 2^61263614512 is an apocalyptic number.

It is an amenable number.

61263614512 is a deficient number, since it is larger than the sum of its proper divisors (57445517528).

61263614512 is a wasteful number, since it uses less digits than its factorization.

61263614512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350940 (or 350934 counting only the distinct ones).

The product of its digits is 51840, while the sum is 37.

The spelling of 61263614512 in words is "sixty-one billion, two hundred sixty-three million, six hundred fourteen thousand, five hundred twelve".