11381511662 has 8 divisors (see below), whose sum is σ = 18076518576. Its totient is φ = 5356005472.

The previous prime is 11381511649. The next prime is 11381511667. The reversal of 11381511662 is 26611518311.

11381511662 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11381511667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167375138 + ... + 167375205.

It is an arithmetic number, because the mean of its divisors is an integer number (2259564822).

Almost surely, 2^11381511662 is an apocalyptic number.

11381511662 is a deficient number, since it is larger than the sum of its proper divisors (6695006914).

11381511662 is a wasteful number, since it uses less digits than its factorization.

11381511662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334750362.

The product of its digits is 8640, while the sum is 35.

The spelling of 11381511662 in words is "eleven billion, three hundred eighty-one million, five hundred eleven thousand, six hundred sixty-two".