15132554509 has 2 divisors, whose sum is σ = 15132554510. Its totient is φ = 15132554508.

The previous prime is 15132554441. The next prime is 15132554537. The reversal of 15132554509 is 90545523151.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15003800100 + 128754409 = 122490^2 + 11347^2 .

It is a cyclic number.

It is not a de Polignac number, because 15132554509 - 2¹⁵ = 15132521741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15132554909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7566277254 + 7566277255.

It is an arithmetic number, because the mean of its divisors is an integer number (7566277255).

Almost surely, 2^15132554509 is an apocalyptic number.

It is an amenable number.

15132554509 is a deficient number, since it is larger than the sum of its proper divisors (1).

15132554509 is an equidigital number, since it uses as much as digits as its factorization.

15132554509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 135000, while the sum is 40.

The spelling of 15132554509 in words is "fifteen billion, one hundred thirty-two million, five hundred fifty-four thousand, five hundred nine".