15136379953 has 2 divisors, whose sum is σ = 15136379954. Its totient is φ = 15136379952.

The previous prime is 15136379933. The next prime is 15136380011. The reversal of 15136379953 is 35997363151.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14234398864 + 901981089 = 119308^2 + 30033^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15136379953 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 15136379953.

It is not a weakly prime, because it can be changed into another prime (15136379903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7568189976 + 7568189977.

It is an arithmetic number, because the mean of its divisors is an integer number (7568189977).

Almost surely, 2^15136379953 is an apocalyptic number.

It is an amenable number.

15136379953 is a deficient number, since it is larger than the sum of its proper divisors (1).

15136379953 is an equidigital number, since it uses as much as digits as its factorization.

15136379953 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2296350, while the sum is 52.

The spelling of 15136379953 in words is "fifteen billion, one hundred thirty-six million, three hundred seventy-nine thousand, nine hundred fifty-three".