61252617008 has 20 divisors (see below), whose sum is σ = 129465759048. Its totient is φ = 27842098560.

The previous prime is 61252616983. The next prime is 61252617011. The reversal of 61252617008 is 80071625216.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 174012941 + ... + 174013292.

Almost surely, 2^61252617008 is an apocalyptic number.

It is an amenable number.

61252617008 is an abundant number, since it is smaller than the sum of its proper divisors (68213142040).

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

61252617008 is a wasteful number, since it uses less digits than its factorization.

61252617008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348026252 (or 348026246 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 38.

The spelling of 61252617008 in words is "sixty-one billion, two hundred fifty-two million, six hundred seventeen thousand, eight".