15215251042453 has 12 divisors (see below), whose sum is σ = 19308407631552. Its totient is φ = 11856039772920.

The previous prime is 15215251042427. The next prime is 15215251042471. The reversal of 15215251042453 is 35424015251251.

It is not a de Polignac number, because 15215251042453 - 2¹³ = 15215251034261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15215251042153) 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, 14114332525 + ... + 14114333602.

It is an arithmetic number, because the mean of its divisors is an integer number (1609033969296).

Almost surely, 2^{15215251042453} is an apocalyptic number.

It is an amenable number.

15215251042453 is a deficient number, since it is larger than the sum of its proper divisors (4093156589099).

15215251042453 is a wasteful number, since it uses less digits than its factorization.

15215251042453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28228666152 (or 28228666145 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 40.

The spelling of 15215251042453 in words is "fifteen trillion, two hundred fifteen billion, two hundred fifty-one million, forty-two thousand, four hundred fifty-three".