11158732897690 has 24 divisors (see below), whose sum is σ = 23365020313332. Its totient is φ = 3825851279040.

The previous prime is 11158732897673. The next prime is 11158732897691. The reversal of 11158732897690 is 9679823785111.

11158732897690 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 10760217196729 + 398515700961 = 3280277^2 + 631281^2 .

It is a super-2 number, since 2×11158732897690² (a number of 27 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (67) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (11158732897691) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11386461651 + ... + 11386462630.

Almost surely, 2^{11158732897690} is an apocalyptic number.

11158732897690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11158732897690 is an abundant number, since it is smaller than the sum of its proper divisors (12206287415642).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11158732897690 is a wasteful number, since it uses less digits than its factorization.

11158732897690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22772924302 (or 22772924295 counting only the distinct ones).

The product of its (nonzero) digits is 45722880, while the sum is 67.

The spelling of 11158732897690 in words is "eleven trillion, one hundred fifty-eight billion, seven hundred thirty-two million, eight hundred ninety-seven thousand, six hundred ninety".