11158643590 has 16 divisors (see below), whose sum is σ = 20201663088. Its totient is φ = 4437656416.

The previous prime is 11158643581. The next prime is 11158643621. The reversal of 11158643590 is 9534685111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3223312 + ... + 3226771.

It is an arithmetic number, because the mean of its divisors is an integer number (1262603943).

Almost surely, 2^11158643590 is an apocalyptic number.

11158643590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11158643590 is a deficient number, since it is larger than the sum of its proper divisors (9043019498).

11158643590 is a wasteful number, since it uses less digits than its factorization.

11158643590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6450263.

The product of its (nonzero) digits is 129600, while the sum is 43.

The spelling of 11158643590 in words is "eleven billion, one hundred fifty-eight million, six hundred forty-three thousand, five hundred ninety".