61137456234 has 32 divisors (see below), whose sum is σ = 129909985920. Its totient is φ = 19144625472.

The previous prime is 61137456223. The next prime is 61137456257. The reversal of 61137456234 is 43265473116.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4741734 + ... + 4754609.

It is an arithmetic number, because the mean of its divisors is an integer number (4059687060).

Almost surely, 2^61137456234 is an apocalyptic number.

61137456234 is an abundant number, since it is smaller than the sum of its proper divisors (68772529686).

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

61137456234 is a wasteful number, since it uses less digits than its factorization.

61137456234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9496414.

The product of its digits is 362880, while the sum is 42.

The spelling of 61137456234 in words is "sixty-one billion, one hundred thirty-seven million, four hundred fifty-six thousand, two hundred thirty-four".