11519115190 has 32 divisors (see below), whose sum is σ = 22623805440. Its totient is φ = 4187944800.

The previous prime is 11519115149. The next prime is 11519115217. The reversal of 11519115190 is 9151191511.

It is a super-2 number, since 2×11519115190² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 994251 + ... + 1005769.

It is an arithmetic number, because the mean of its divisors is an integer number (706993920).

Almost surely, 2^11519115190 is an apocalyptic number.

11519115190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11519115190 is a deficient number, since it is larger than the sum of its proper divisors (11104690250).

11519115190 is a wasteful number, since it uses less digits than its factorization.

11519115190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20628.

The product of its (nonzero) digits is 2025, while the sum is 34.

The spelling of 11519115190 in words is "eleven billion, five hundred nineteen million, one hundred fifteen thousand, one hundred ninety".