15134115087081 has 15 divisors (see below), whose sum is σ = 22607804469613. Its totient is φ = 10089386716500.

The previous prime is 15134115087071. The next prime is 15134115087083. The reversal of 15134115087081 is 18078051143151.

The square root of 15134115087081 is 3890259.

It is a perfect power (a square), and thus also a powerful number.

15134115087081 is a `hidden beast` number, since 1 + 5 + 1 + 341 + 150 + 87 + 0 + 81 = 666.

It is not a de Polignac number, because 15134115087081 - 2²¹ = 15134112989929 is a prime.

It is a super-2 number, since 2×15134115087081² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15134115087083) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 34796206 + ... + 35228456.

Almost surely, 2^{15134115087081} is an apocalyptic number.

15134115087081 is the 3890259-th square number.

15134115087081 is the 1945130-th centered octagonal number.

It is an amenable number.

15134115087081 is a deficient number, since it is larger than the sum of its proper divisors (7473689382532).

15134115087081 is an frugal number, since it uses more digits than its factorization.

15134115087081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 864514 (or 432254 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 45.

The spelling of 15134115087081 in words is "fifteen trillion, one hundred thirty-four billion, one hundred fifteen million, eighty-seven thousand, eighty-one".