75258152081 has 16 divisors (see below), whose sum is σ = 86667235200. Its totient is φ = 64014357120.

The previous prime is 75258152071. The next prime is 75258152111. The reversal of 75258152081 is 18025185257.

It is a happy number.

It is not a de Polignac number, because 75258152081 - 2¹⁰ = 75258151057 is a prime.

It is a super-2 number, since 2×75258152081² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (75258152051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1104845 + ... + 1170981.

It is an arithmetic number, because the mean of its divisors is an integer number (5416702200).

Almost surely, 2^75258152081 is an apocalyptic number.

It is an amenable number.

75258152081 is a deficient number, since it is larger than the sum of its proper divisors (11409083119).

75258152081 is a wasteful number, since it uses less digits than its factorization.

75258152081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67384.

The product of its (nonzero) digits is 224000, while the sum is 44.

The spelling of 75258152081 in words is "seventy-five billion, two hundred fifty-eight million, one hundred fifty-two thousand, eighty-one".