11731664151 has 24 divisors (see below), whose sum is σ = 17005950000. Its totient is φ = 7793373312.

The previous prime is 11731664141. The next prime is 11731664177. The reversal of 11731664151 is 15146613711.

It is a happy number.

11731664151 is a `hidden beast` number, since 1 + 1 + 7 + 3 + 1 + 6 + 641 + 5 + 1 = 666.

It is not a de Polignac number, because 11731664151 - 2⁷ = 11731664023 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11731664141) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3631605 + ... + 3634833.

It is an arithmetic number, because the mean of its divisors is an integer number (708581250).

Almost surely, 2^11731664151 is an apocalyptic number.

11731664151 is a deficient number, since it is larger than the sum of its proper divisors (5274285849).

11731664151 is a wasteful number, since it uses less digits than its factorization.

11731664151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4543 (or 4540 counting only the distinct ones).

The product of its digits is 15120, while the sum is 36.

The spelling of 11731664151 in words is "eleven billion, seven hundred thirty-one million, six hundred sixty-four thousand, one hundred fifty-one".