10591135481 has 4 divisors (see below), whose sum is σ = 10628560272. Its totient is φ = 10553710692.

The previous prime is 10591135459. The next prime is 10591135537. The reversal of 10591135481 is 18453119501.

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 10591135481 - 2⁶ = 10591135417 is a prime.

It is a super-2 number, since 2×10591135481² (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 (10591155481) 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, 18711971 + ... + 18712536.

It is an arithmetic number, because the mean of its divisors is an integer number (2657140068).

Almost surely, 2^10591135481 is an apocalyptic number.

It is an amenable number.

10591135481 is a deficient number, since it is larger than the sum of its proper divisors (37424791).

10591135481 is an equidigital number, since it uses as much as digits as its factorization.

10591135481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37424790.

The product of its (nonzero) digits is 21600, while the sum is 38.

The spelling of 10591135481 in words is "ten billion, five hundred ninety-one million, one hundred thirty-five thousand, four hundred eighty-one".