15103144357373 has 2 divisors, whose sum is σ = 15103144357374. Its totient is φ = 15103144357372.

The previous prime is 15103144357319. The next prime is 15103144357403. The reversal of 15103144357373 is 37375344130151.

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., 12787396946809 + 2315747410564 = 3575947^2 + 1521758^2 .

It is a cyclic number.

It is not a de Polignac number, because 15103144357373 - 2²⁰ = 15103143308797 is a prime.

It is a super-2 number, since 2×15103144357373² (a number of 27 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15103144357303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7551572178686 + 7551572178687.

It is an arithmetic number, because the mean of its divisors is an integer number (7551572178687).

Almost surely, 2^{15103144357373} is an apocalyptic number.

It is an amenable number.

15103144357373 is a deficient number, since it is larger than the sum of its proper divisors (1).

15103144357373 is an equidigital number, since it uses as much as digits as its factorization.

15103144357373 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1587600, while the sum is 47.

The spelling of 15103144357373 in words is "fifteen trillion, one hundred three billion, one hundred forty-four million, three hundred fifty-seven thousand, three hundred seventy-three".