75135118931 has 2 divisors, whose sum is σ = 75135118932. Its totient is φ = 75135118930.

The previous prime is 75135118867. The next prime is 75135118963. The reversal of 75135118931 is 13981153157.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 75135118931 - 2⁶ = 75135118867 is a prime.

It is a super-2 number, since 2×75135118931² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (75135118231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37567559465 + 37567559466.

It is an arithmetic number, because the mean of its divisors is an integer number (37567559466).

Almost surely, 2^75135118931 is an apocalyptic number.

75135118931 is a deficient number, since it is larger than the sum of its proper divisors (1).

75135118931 is an equidigital number, since it uses as much as digits as its factorization.

75135118931 is an evil number, because the sum of its binary digits is even.

The product of its digits is 113400, while the sum is 44.

The spelling of 75135118931 in words is "seventy-five billion, one hundred thirty-five million, one hundred eighteen thousand, nine hundred thirty-one".