61152806973 has 16 divisors (see below), whose sum is σ = 82502549696. Its totient is φ = 40287075840.

The previous prime is 61152806969. The next prime is 61152806993. The reversal of 61152806973 is 37960825116.

It is not a de Polignac number, because 61152806973 - 2² = 61152806969 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61152806993) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33390 + ... + 351312.

It is an arithmetic number, because the mean of its divisors is an integer number (5156409356).

Almost surely, 2^61152806973 is an apocalyptic number.

It is an amenable number.

61152806973 is a deficient number, since it is larger than the sum of its proper divisors (21349742723).

61152806973 is a wasteful number, since it uses less digits than its factorization.

61152806973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318684.

The product of its (nonzero) digits is 544320, while the sum is 48.

The spelling of 61152806973 in words is "sixty-one billion, one hundred fifty-two million, eight hundred six thousand, nine hundred seventy-three".