15136486123601 has 2 divisors, whose sum is σ = 15136486123602. Its totient is φ = 15136486123600.

The previous prime is 15136486123523. The next prime is 15136486123669. The reversal of 15136486123601 is 10632168463151.

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., 15011595270400 + 124890853201 = 3874480^2 + 353399^2 .

It is a cyclic number.

It is not a de Polignac number, because 15136486123601 - 2¹⁰ = 15136486122577 is a prime.

It is a super-3 number, since 3×15136486123601³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (15136486123691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7568243061800 + 7568243061801.

It is an arithmetic number, because the mean of its divisors is an integer number (7568243061801).

Almost surely, 2^{15136486123601} is an apocalyptic number.

It is an amenable number.

15136486123601 is a deficient number, since it is larger than the sum of its proper divisors (1).

15136486123601 is an equidigital number, since it uses as much as digits as its factorization.

15136486123601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 622080, while the sum is 47.

The spelling of 15136486123601 in words is "fifteen trillion, one hundred thirty-six billion, four hundred eighty-six million, one hundred twenty-three thousand, six hundred one".