61755331324 has 24 divisors (see below), whose sum is σ = 114886170000. Its totient is φ = 28962892800.

The previous prime is 61755331279. The next prime is 61755331331. The reversal of 61755331324 is 42313355716.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4014949 + ... + 4030300.

It is an arithmetic number, because the mean of its divisors is an integer number (4786923750).

Almost surely, 2^61755331324 is an apocalyptic number.

It is an amenable number.

61755331324 is a deficient number, since it is larger than the sum of its proper divisors (53130838676).

61755331324 is a wasteful number, since it uses less digits than its factorization.

61755331324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8045373 (or 8045371 counting only the distinct ones).

The product of its digits is 226800, while the sum is 40.

The spelling of 61755331324 in words is "sixty-one billion, seven hundred fifty-five million, three hundred thirty-one thousand, three hundred twenty-four".