61755127960 has 16 divisors (see below), whose sum is σ = 138949038000. Its totient is φ = 24702051168.

The previous prime is 61755127957. The next prime is 61755128051. The reversal of 61755127960 is 6972155716.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 771939060 + ... + 771939139.

It is an arithmetic number, because the mean of its divisors is an integer number (8684314875).

Almost surely, 2^61755127960 is an apocalyptic number.

It is an amenable number.

61755127960 is an abundant number, since it is smaller than the sum of its proper divisors (77193910040).

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

61755127960 is a wasteful number, since it uses less digits than its factorization.

61755127960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1543878210 (or 1543878206 counting only the distinct ones).

The product of its (nonzero) digits is 793800, while the sum is 49.

The spelling of 61755127960 in words is "sixty-one billion, seven hundred fifty-five million, one hundred twenty-seven thousand, nine hundred sixty".