10918528381 has 4 divisors (see below), whose sum is σ = 10947036672. Its totient is φ = 10890020092.

The previous prime is 10918528367. The next prime is 10918528529. The reversal of 10918528381 is 18382581901.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10918528381 - 2¹⁵ = 10918495613 is a prime.

It is a super-2 number, since 2×10918528381² (a number of 21 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 (10918528331) 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, 14253571 + ... + 14254336.

It is an arithmetic number, because the mean of its divisors is an integer number (2736759168).

Almost surely, 2^10918528381 is an apocalyptic number.

It is an amenable number.

10918528381 is a deficient number, since it is larger than the sum of its proper divisors (28508291).

10918528381 is an equidigital number, since it uses as much as digits as its factorization.

10918528381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28508290.

The product of its (nonzero) digits is 138240, while the sum is 46.

The spelling of 10918528381 in words is "ten billion, nine hundred eighteen million, five hundred twenty-eight thousand, three hundred eighty-one".