61500482136 has 48 divisors (see below), whose sum is σ = 166575614400. Its totient is φ = 20498707392.

The previous prime is 61500482129. The next prime is 61500482171. The reversal of 61500482136 is 63128400516.

It is a happy number.

61500482136 is a `hidden beast` number, since 61 + 500 + 4 + 82 + 13 + 6 = 666.

61500482136 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 61500482136.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1591330 + ... + 1629518.

It is an arithmetic number, because the mean of its divisors is an integer number (3470325300).

Almost surely, 2^61500482136 is an apocalyptic number.

It is an amenable number.

61500482136 is an abundant number, since it is smaller than the sum of its proper divisors (105075132264).

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

61500482136 is a wasteful number, since it uses less digits than its factorization.

61500482136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60568 (or 60561 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The spelling of 61500482136 in words is "sixty-one billion, five hundred million, four hundred eighty-two thousand, one hundred thirty-six".