61536012992 has 28 divisors (see below), whose sum is σ = 122689275576. Its totient is φ = 30622179840.

The previous prime is 61536012991. The next prime is 61536013003. The reversal of 61536012992 is 29921063516.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (61536012991) 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, 2264933 + ... + 2291940.

It is an arithmetic number, because the mean of its divisors is an integer number (4381759842).

Almost surely, 2^61536012992 is an apocalyptic number.

It is an amenable number.

61536012992 is a deficient number, since it is larger than the sum of its proper divisors (61153262584).

61536012992 is a wasteful number, since it uses less digits than its factorization.

61536012992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4557096 (or 4557086 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 44.

The spelling of 61536012992 in words is "sixty-one billion, five hundred thirty-six million, twelve thousand, nine hundred ninety-two".