11158953690 has 32 divisors (see below), whose sum is σ = 27046659456. Its totient is φ = 2946257600.

The previous prime is 11158953653. The next prime is 11158953713. The reversal of 11158953690 is 9635985111.

It is a super-2 number, since 2×11158953690² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1838382 + ... + 1844441.

It is an arithmetic number, because the mean of its divisors is an integer number (845208108).

Almost surely, 2^11158953690 is an apocalyptic number.

11158953690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11158953690 is an abundant number, since it is smaller than the sum of its proper divisors (15887705766).

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

11158953690 is a wasteful number, since it uses less digits than its factorization.

11158953690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3682934.

The product of its (nonzero) digits is 291600, while the sum is 48.

The spelling of 11158953690 in words is "eleven billion, one hundred fifty-eight million, nine hundred fifty-three thousand, six hundred ninety".