75049874915 has 4 divisors (see below), whose sum is σ = 90059849904. Its totient is φ = 60039899928.

The previous prime is 75049874881. The next prime is 75049874941. The reversal of 75049874915 is 51947894057.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 51947894057 = 23899 ⋅2173643.

It is a cyclic number.

It is not a de Polignac number, because 75049874915 - 2⁸ = 75049874659 is a prime.

It is a Duffinian number.

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 3 ways as a sum of consecutive naturals, for example, 7504987487 + ... + 7504987496.

It is an arithmetic number, because the mean of its divisors is an integer number (22514962476).

Almost surely, 2^75049874915 is an apocalyptic number.

75049874915 is a deficient number, since it is larger than the sum of its proper divisors (15009974989).

75049874915 is a wasteful number, since it uses less digits than its factorization.

75049874915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15009974988.

The product of its (nonzero) digits is 12700800, while the sum is 59.

The spelling of 75049874915 in words is "seventy-five billion, forty-nine million, eight hundred seventy-four thousand, nine hundred fifteen".