10118457385 has 4 divisors (see below), whose sum is σ = 12142148868. Its totient is φ = 8094765904.

The previous prime is 10118457383. The next prime is 10118457403. The reversal of 10118457385 is 58375481101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6329316249 + 3789141136 = 79557^2 + 61556^2 .

It is a cyclic number.

It is not a de Polignac number, because 10118457385 - 2¹ = 10118457383 is a prime.

It is a super-2 number, since 2×10118457385² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10118457383) 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, 1011845734 + ... + 1011845743.

It is an arithmetic number, because the mean of its divisors is an integer number (3035537217).

Almost surely, 2^10118457385 is an apocalyptic number.

It is an amenable number.

10118457385 is a deficient number, since it is larger than the sum of its proper divisors (2023691483).

10118457385 is an equidigital number, since it uses as much as digits as its factorization.

10118457385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2023691482.

The product of its (nonzero) digits is 134400, while the sum is 43.

The spelling of 10118457385 in words is "ten billion, one hundred eighteen million, four hundred fifty-seven thousand, three hundred eighty-five".