15162754121993 has 2 divisors, whose sum is σ = 15162754121994. Its totient is φ = 15162754121992.

The previous prime is 15162754121959. The next prime is 15162754122017. The reversal of 15162754121993 is 39912145726151.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14425814285689 + 736939836304 = 3798133^2 + 858452^2 .

It is an emirp because it is prime and its reverse (39912145726151) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15162754121993 is a prime.

It is a super-2 number, since 2×15162754121993² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (15162754121903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7581377060996 + 7581377060997.

It is an arithmetic number, because the mean of its divisors is an integer number (7581377060997).

Almost surely, 2^{15162754121993} is an apocalyptic number.

It is an amenable number.

15162754121993 is a deficient number, since it is larger than the sum of its proper divisors (1).

15162754121993 is an equidigital number, since it uses as much as digits as its factorization.

15162754121993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4082400, while the sum is 56.

The spelling of 15162754121993 in words is "fifteen trillion, one hundred sixty-two billion, seven hundred fifty-four million, one hundred twenty-one thousand, nine hundred ninety-three".