1515130315452 has 72 divisors (see below), whose sum is σ = 4165358389920. Its totient is φ = 461578147200.

The previous prime is 1515130315429. The next prime is 1515130315459. The reversal of 1515130315452 is 2545130315151.

1515130315452 is a `hidden beast` number, since 1 + 5 + 1 + 51 + 30 + 31 + 545 + 2 = 666.

It is a super-3 number, since 3×1515130315452³ (a number of 38 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1515130315459) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15979752 + ... + 16074287.

It is an arithmetic number, because the mean of its divisors is an integer number (57852199860).

Almost surely, 2^{1515130315452} is an apocalyptic number.

1515130315452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1515130315452 is an abundant number, since it is smaller than the sum of its proper divisors (2650228074468).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1515130315452 is a wasteful number, since it uses less digits than its factorization.

1515130315452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32054163 (or 32054158 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 36.

The spelling of 1515130315452 in words is "one trillion, five hundred fifteen billion, one hundred thirty million, three hundred fifteen thousand, four hundred fifty-two".