61620523625102 has 32 divisors (see below), whose sum is σ = 100326106524672. Its totient is φ = 28215888067584.

The previous prime is 61620523625083. The next prime is 61620523625119. The reversal of 61620523625102 is 20152632502616.

61620523625102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 61620523625102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 413061758 + ... + 413210910.

It is an arithmetic number, because the mean of its divisors is an integer number (3135190828896).

Almost surely, 2^{61620523625102} is an apocalyptic number.

61620523625102 is a deficient number, since it is larger than the sum of its proper divisors (38705582899570).

61620523625102 is a wasteful number, since it uses less digits than its factorization.

61620523625102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274412.

The product of its (nonzero) digits is 259200, while the sum is 41.

The spelling of 61620523625102 in words is "sixty-one trillion, six hundred twenty billion, five hundred twenty-three million, six hundred twenty-five thousand, one hundred two".