15048739198057 has 2 divisors, whose sum is σ = 15048739198058. Its totient is φ = 15048739198056.

The previous prime is 15048739198037. The next prime is 15048739198067. The reversal of 15048739198057 is 75089193784051.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11424528440361 + 3624210757696 = 3380019^2 + 1903736^2 .

It is an emirp because it is prime and its reverse (75089193784051) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 15048739198057 - 2⁴³ = 6252646175849 is a prime.

It is a super-2 number, since 2×15048739198057² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 15048739197983 and 15048739198001.

It is not a weakly prime, because it can be changed into another prime (15048739198037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7524369599028 + 7524369599029.

It is an arithmetic number, because the mean of its divisors is an integer number (7524369599029).

Almost surely, 2^{15048739198057} is an apocalyptic number.

It is an amenable number.

15048739198057 is a deficient number, since it is larger than the sum of its proper divisors (1).

15048739198057 is an equidigital number, since it uses as much as digits as its factorization.

15048739198057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 76204800, while the sum is 67.

The spelling of 15048739198057 in words is "fifteen trillion, forty-eight billion, seven hundred thirty-nine million, one hundred ninety-eight thousand, fifty-seven".