61625500120 has 64 divisors (see below), whose sum is σ = 139712328000. Its totient is φ = 24463296000.

The previous prime is 61625500103. The next prime is 61625500141. The reversal of 61625500120 is 2100552616.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3150370 + ... + 3169870.

It is an arithmetic number, because the mean of its divisors is an integer number (2183005125).

Almost surely, 2^61625500120 is an apocalyptic number.

It is an amenable number.

61625500120 is an abundant number, since it is smaller than the sum of its proper divisors (78086827880).

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

61625500120 is a wasteful number, since it uses less digits than its factorization.

61625500120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20108 (or 20104 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

The spelling of 61625500120 in words is "sixty-one billion, six hundred twenty-five million, five hundred thousand, one hundred twenty".