15453420015 has 48 divisors (see below), whose sum is σ = 27233224704. Its totient is φ = 7477229760.

The previous prime is 15453419999. The next prime is 15453420029. The reversal of 15453420015 is 51002435451.

It is not a de Polignac number, because 15453420015 - 2⁴ = 15453419999 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 904482 + ... + 921408.

It is an arithmetic number, because the mean of its divisors is an integer number (567358848).

Almost surely, 2^15453420015 is an apocalyptic number.

15453420015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

15453420015 is a deficient number, since it is larger than the sum of its proper divisors (11779804689).

15453420015 is a wasteful number, since it uses less digits than its factorization.

15453420015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17460 (or 17449 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

Adding to 15453420015 its reverse (51002435451), we get a palindrome (66455855466).

The spelling of 15453420015 in words is "fifteen billion, four hundred fifty-three million, four hundred twenty thousand, fifteen".