61130741750 has 64 divisors (see below), whose sum is σ = 123358540032. Its totient is φ = 22549564800.

The previous prime is 61130741747. The next prime is 61130741863. The reversal of 61130741750 is 5714703116.

It is a self number, because there is not a number n which added to its sum of digits gives 61130741750.

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 31 ways as a sum of consecutive naturals, for example, 3576224 + ... + 3593276.

It is an arithmetic number, because the mean of its divisors is an integer number (1927477188).

Almost surely, 2^61130741750 is an apocalyptic number.

61130741750 is an abundant number, since it is smaller than the sum of its proper divisors (62227798282).

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

61130741750 is a wasteful number, since it uses less digits than its factorization.

61130741750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18186 (or 18176 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 35.

The spelling of 61130741750 in words is "sixty-one billion, one hundred thirty million, seven hundred forty-one thousand, seven hundred fifty".