75029056123 has 24 divisors (see below), whose sum is σ = 90131748864. Its totient is φ = 62210106000.

The previous prime is 75029056049. The next prime is 75029056127. The reversal of 75029056123 is 32165092057.

It is not a de Polignac number, because 75029056123 - 2⁹ = 75029055611 is a prime.

It is a super-2 number, since 2×75029056123² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75029056127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4194148 + ... + 4211998.

It is an arithmetic number, because the mean of its divisors is an integer number (3755489536).

Almost surely, 2^75029056123 is an apocalyptic number.

75029056123 is a deficient number, since it is larger than the sum of its proper divisors (15102692741).

75029056123 is a wasteful number, since it uses less digits than its factorization.

75029056123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20663 (or 20656 counting only the distinct ones).

The product of its (nonzero) digits is 113400, while the sum is 40.

The spelling of 75029056123 in words is "seventy-five billion, twenty-nine million, fifty-six thousand, one hundred twenty-three".