11719081486 has 16 divisors (see below), whose sum is σ = 20963326464. Its totient is φ = 4804095384.

The previous prime is 11719081399. The next prime is 11719081487. The reversal of 11719081486 is 68418091711.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11719081487) 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, 18197010 + ... + 18197653.

It is an arithmetic number, because the mean of its divisors is an integer number (1310207904).

Almost surely, 2^11719081486 is an apocalyptic number.

11719081486 is a deficient number, since it is larger than the sum of its proper divisors (9244244978).

11719081486 is a wasteful number, since it uses less digits than its factorization.

11719081486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36394695.

The product of its (nonzero) digits is 96768, while the sum is 46.

The spelling of 11719081486 in words is "eleven billion, seven hundred nineteen million, eighty-one thousand, four hundred eighty-six".