75518249956 has 24 divisors (see below), whose sum is σ = 137926857600. Its totient is φ = 36111147072.

The previous prime is 75518249941. The next prime is 75518249969. The reversal of 75518249956 is 65994281557.

It is a junction number, because it is equal to n+sod(n) for n = 75518249894 and 75518249903.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 484320 + ... + 620968.

It is an arithmetic number, because the mean of its divisors is an integer number (5746952400).

Almost surely, 2^75518249956 is an apocalyptic number.

It is an amenable number.

75518249956 is a deficient number, since it is larger than the sum of its proper divisors (62408607644).

75518249956 is a wasteful number, since it uses less digits than its factorization.

75518249956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142683 (or 142681 counting only the distinct ones).

The product of its digits is 27216000, while the sum is 61.

The spelling of 75518249956 in words is "seventy-five billion, five hundred eighteen million, two hundred forty-nine thousand, nine hundred fifty-six".