75217412051 has 4 divisors (see below), whose sum is σ = 75258674112. Its totient is φ = 75176149992.

The previous prime is 75217412041. The next prime is 75217412057. The reversal of 75217412051 is 15021471257.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15021471257 = 13 ⋅1155497789.

It is a cyclic number.

It is not a de Polignac number, because 75217412051 - 2⁶ = 75217411987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75217412057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20628296 + ... + 20631941.

It is an arithmetic number, because the mean of its divisors is an integer number (18814668528).

Almost surely, 2^75217412051 is an apocalyptic number.

75217412051 is a deficient number, since it is larger than the sum of its proper divisors (41262061).

75217412051 is a wasteful number, since it uses less digits than its factorization.

75217412051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41262060.

The product of its (nonzero) digits is 19600, while the sum is 35.

The spelling of 75217412051 in words is "seventy-five billion, two hundred seventeen million, four hundred twelve thousand, fifty-one".