11015968990 has 16 divisors (see below), whose sum is σ = 21354032448. Its totient is φ = 4067434656.

The previous prime is 11015968981. The next prime is 11015968991. The reversal of 11015968990 is 9986951011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11015968991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42368982 + ... + 42369241.

It is an arithmetic number, because the mean of its divisors is an integer number (1334627028).

Almost surely, 2^11015968990 is an apocalyptic number.

11015968990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11015968990 is a deficient number, since it is larger than the sum of its proper divisors (10338063458).

11015968990 is a wasteful number, since it uses less digits than its factorization.

11015968990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84738243.

The product of its (nonzero) digits is 174960, while the sum is 49.

The spelling of 11015968990 in words is "eleven billion, fifteen million, nine hundred sixty-eight thousand, nine hundred ninety".