15005053109 has 2 divisors, whose sum is σ = 15005053110. Its totient is φ = 15005053108.

The previous prime is 15005052991. The next prime is 15005053121. The reversal of 15005053109 is 90135050051.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8657744209 + 6347308900 = 93047^2 + 79670^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15005053109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15005053409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7502526554 + 7502526555.

It is an arithmetic number, because the mean of its divisors is an integer number (7502526555).

Almost surely, 2^15005053109 is an apocalyptic number.

It is an amenable number.

15005053109 is a deficient number, since it is larger than the sum of its proper divisors (1).

15005053109 is an equidigital number, since it uses as much as digits as its factorization.

15005053109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3375, while the sum is 29.

The spelling of 15005053109 in words is "fifteen billion, five million, fifty-three thousand, one hundred nine".