15135252451 has 12 divisors (see below), whose sum is σ = 16698150000. Its totient is φ = 13708141040.

The previous prime is 15135252413. The next prime is 15135252487. The reversal of 15135252451 is 15425253151.

It is not a de Polignac number, because 15135252451 - 2¹⁹ = 15134728163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15135252491) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 199951 + ... + 265048.

It is an arithmetic number, because the mean of its divisors is an integer number (1391512500).

Almost surely, 2^15135252451 is an apocalyptic number.

15135252451 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

15135252451 is a deficient number, since it is larger than the sum of its proper divisors (1562897549).

15135252451 is a wasteful number, since it uses less digits than its factorization.

15135252451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465290 (or 465279 counting only the distinct ones).

The product of its digits is 30000, while the sum is 34.

The spelling of 15135252451 in words is "fifteen billion, one hundred thirty-five million, two hundred fifty-two thousand, four hundred fifty-one".