15131422505 has 16 divisors (see below), whose sum is σ = 19459263744. Its totient is φ = 11265883200.

The previous prime is 15131422499. The next prime is 15131422507. The reversal of 15131422505 is 50522413151.

It is not a de Polignac number, because 15131422505 - 2⁴ = 15131422489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15131422507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1773821 + ... + 1782330.

It is an arithmetic number, because the mean of its divisors is an integer number (1216203984).

Almost surely, 2^15131422505 is an apocalyptic number.

It is an amenable number.

15131422505 is a deficient number, since it is larger than the sum of its proper divisors (4327841239).

15131422505 is a wasteful number, since it uses less digits than its factorization.

15131422505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3556216.

The product of its (nonzero) digits is 6000, while the sum is 29.

Adding to 15131422505 its reverse (50522413151), we get a palindrome (65653835656).

The spelling of 15131422505 in words is "fifteen billion, one hundred thirty-one million, four hundred twenty-two thousand, five hundred five".