61312050954 has 192 divisors, whose sum is σ = 174527032320. Its totient is φ = 15775572960.

The previous prime is 61312050949. The next prime is 61312050973. The reversal of 61312050954 is 45905021316.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3104499 + ... + 3124185.

It is an arithmetic number, because the mean of its divisors is an integer number (908994960).

Almost surely, 2^61312050954 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61312050954, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87263516160).

61312050954 is an abundant number, since it is smaller than the sum of its proper divisors (113214981366).

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

61312050954 is a wasteful number, since it uses less digits than its factorization.

61312050954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19830 (or 19817 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The spelling of 61312050954 in words is "sixty-one billion, three hundred twelve million, fifty thousand, nine hundred fifty-four".