1452981136815 has 96 divisors (see below), whose sum is σ = 2835342881280. Its totient is φ = 682958884608.

The previous prime is 1452981136813. The next prime is 1452981136819. The reversal of 1452981136815 is 5186311892541.

1452981136815 is a `hidden beast` number, since 1 + 4 + 529 + 8 + 1 + 1 + 36 + 81 + 5 = 666.

It is not a de Polignac number, because 1452981136815 - 2¹ = 1452981136813 is a prime.

It is a super-2 number, since 2×1452981136815² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1452981136813) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 7261176 + ... + 7458594.

It is an arithmetic number, because the mean of its divisors is an integer number (29534821680).

Almost surely, 2^{1452981136815} is an apocalyptic number.

1452981136815 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1452981136815 is a deficient number, since it is larger than the sum of its proper divisors (1382361744465).

1452981136815 is a wasteful number, since it uses less digits than its factorization.

1452981136815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198013 (or 198010 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 54.

The spelling of 1452981136815 in words is "one trillion, four hundred fifty-two billion, nine hundred eighty-one million, one hundred thirty-six thousand, eight hundred fifteen".