15131641464 has 24 divisors (see below), whose sum is σ = 40981529160. Its totient is φ = 5043880464.

The previous prime is 15131641463. The next prime is 15131641487. The reversal of 15131641464 is 46414613151.

15131641464 is a `hidden beast` number, since 1 + 5 + 1 + 3 + 1 + 641 + 4 + 6 + 4 = 666.

15131641464 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15131641463) 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 5 ways as a sum of consecutive naturals, for example, 105080772 + ... + 105080915.

It is an arithmetic number, because the mean of its divisors is an integer number (1707563715).

Almost surely, 2^15131641464 is an apocalyptic number.

It is an amenable number.

15131641464 is an abundant number, since it is smaller than the sum of its proper divisors (25849887696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15131641464 is a wasteful number, since it uses less digits than its factorization.

15131641464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210161699 (or 210161692 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The spelling of 15131641464 in words is "fifteen billion, one hundred thirty-one million, six hundred forty-one thousand, four hundred sixty-four".