61881250757632 has 22 divisors (see below), whose sum is σ = 123702070608368. Its totient is φ = 30940625378304.

The previous prime is 61881250757629. The next prime is 61881250757653. The reversal of 61881250757632 is 23675705218816.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30215453448 + ... + 30215455495.

Almost surely, 2^{61881250757632} is an apocalyptic number.

It is an amenable number.

61881250757632 is a deficient number, since it is larger than the sum of its proper divisors (61820819850736).

61881250757632 is an equidigital number, since it uses as much as digits as its factorization.

61881250757632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60430908963 (or 60430908945 counting only the distinct ones).

The product of its (nonzero) digits is 33868800, while the sum is 61.

The spelling of 61881250757632 in words is "sixty-one trillion, eight hundred eighty-one billion, two hundred fifty million, seven hundred fifty-seven thousand, six hundred thirty-two".