15132554909 has 2 divisors, whose sum is σ = 15132554910. Its totient is φ = 15132554908.

The previous prime is 15132554903. The next prime is 15132554917. The reversal of 15132554909 is 90945523151.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15019728025 + 112826884 = 122555^2 + 10622^2 .

It is a cyclic number.

It is not a de Polignac number, because 15132554909 - 2²⁸ = 14864119453 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 15132554909.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15132554903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7566277454 + 7566277455.

It is an arithmetic number, because the mean of its divisors is an integer number (7566277455).

Almost surely, 2^15132554909 is an apocalyptic number.

It is an amenable number.

15132554909 is a deficient number, since it is larger than the sum of its proper divisors (1).

15132554909 is an equidigital number, since it uses as much as digits as its factorization.

15132554909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 243000, while the sum is 44.

The spelling of 15132554909 in words is "fifteen billion, one hundred thirty-two million, five hundred fifty-four thousand, nine hundred nine".