75093115981 has 8 divisors (see below), whose sum is σ = 80900757504. Its totient is φ = 69289938480.

The previous prime is 75093115957. The next prime is 75093116003. The reversal of 75093115981 is 18951139057.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 75093115981 - 2⁹ = 75093115469 is a prime.

It is a super-2 number, since 2×75093115981² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75093116981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1081021 + ... + 1148386.

It is an arithmetic number, because the mean of its divisors is an integer number (10112594688).

Almost surely, 2^75093115981 is an apocalyptic number.

It is an amenable number.

75093115981 is a deficient number, since it is larger than the sum of its proper divisors (5807641523).

75093115981 is a wasteful number, since it uses less digits than its factorization.

75093115981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2232011.

The product of its (nonzero) digits is 340200, while the sum is 49.

The spelling of 75093115981 in words is "seventy-five billion, ninety-three million, one hundred fifteen thousand, nine hundred eighty-one".