61151233504 has 24 divisors (see below), whose sum is σ = 120410841600. Its totient is φ = 30570702336.

The previous prime is 61151233483. The next prime is 61151233529. The reversal of 61151233504 is 40533215116.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52897 + ... + 353695.

It is an arithmetic number, because the mean of its divisors is an integer number (5017118400).

Almost surely, 2^61151233504 is an apocalyptic number.

It is an amenable number.

61151233504 is a deficient number, since it is larger than the sum of its proper divisors (59259608096).

61151233504 is a wasteful number, since it uses less digits than its factorization.

61151233504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307162 (or 307154 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

The spelling of 61151233504 in words is "sixty-one billion, one hundred fifty-one million, two hundred thirty-three thousand, five hundred four".