61140347923750 has 80 divisors (see below), whose sum is σ = 115170193116000. Its totient is φ = 24334998176000.

The previous prime is 61140347923741. The next prime is 61140347923813. The reversal of 61140347923750 is 5732974304116.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 271913871 + ... + 272138629.

It is an arithmetic number, because the mean of its divisors is an integer number (1439627413950).

Almost surely, 2^{61140347923750} is an apocalyptic number.

61140347923750 is a deficient number, since it is larger than the sum of its proper divisors (54029845192250).

61140347923750 is a wasteful number, since it uses less digits than its factorization.

61140347923750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225859 (or 225844 counting only the distinct ones).

The product of its (nonzero) digits is 3810240, while the sum is 52.

The spelling of 61140347923750 in words is "sixty-one trillion, one hundred forty billion, three hundred forty-seven million, nine hundred twenty-three thousand, seven hundred fifty".