15420131541 has 16 divisors (see below), whose sum is σ = 22868205120. Its totient is φ = 10269483120.

The previous prime is 15420131483. The next prime is 15420131599. The reversal of 15420131541 is 14513102451.

15420131541 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (15420131483) and next prime (15420131599).

It is not a de Polignac number, because 15420131541 - 2⁷ = 15420131413 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15420131641) 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 15 ways as a sum of consecutive naturals, for example, 267870 + ... + 320303.

It is an arithmetic number, because the mean of its divisors is an integer number (1429262820).

Almost surely, 2^15420131541 is an apocalyptic number.

It is an amenable number.

15420131541 is a deficient number, since it is larger than the sum of its proper divisors (7448073579).

15420131541 is an equidigital number, since it uses as much as digits as its factorization.

15420131541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 589153 (or 589147 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

Adding to 15420131541 its reverse (14513102451), we get a palindrome (29933233992).

The spelling of 15420131541 in words is "fifteen billion, four hundred twenty million, one hundred thirty-one thousand, five hundred forty-one".