15132057187009 has 4 divisors (see below), whose sum is σ = 17293779642304. Its totient is φ = 12970334731716.

The previous prime is 15132057187007. The next prime is 15132057187061. The reversal of 15132057187009 is 90078175023151.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 15132057187009 - 2¹ = 15132057187007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15132057187007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1080861227637 + ... + 1080861227650.

It is an arithmetic number, because the mean of its divisors is an integer number (4323444910576).

Almost surely, 2^{15132057187009} is an apocalyptic number.

It is an amenable number.

15132057187009 is a deficient number, since it is larger than the sum of its proper divisors (2161722455295).

15132057187009 is an equidigital number, since it uses as much as digits as its factorization.

15132057187009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2161722455294.

The product of its (nonzero) digits is 529200, while the sum is 49.

The spelling of 15132057187009 in words is "fifteen trillion, one hundred thirty-two billion, fifty-seven million, one hundred eighty-seven thousand, nine".