15872371666741 has 6 divisors (see below), whose sum is σ = 16860962289890. Its totient is φ = 14938702744896.

The previous prime is 15872371666727. The next prime is 15872371666793. The reversal of 15872371666741 is 14766617327851.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 6423639560100 + 9448732106641 = 2534490^2 + 3073879^2 .

It is not a de Polignac number, because 15872371666741 - 2¹⁵ = 15872371633973 is a prime.

It is a super-2 number, since 2×15872371666741² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15872371666241) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27460850346 + ... + 27460850923.

Almost surely, 2^{15872371666741} is an apocalyptic number.

It is an amenable number.

15872371666741 is a deficient number, since it is larger than the sum of its proper divisors (988590623149).

15872371666741 is an equidigital number, since it uses as much as digits as its factorization.

15872371666741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54921701303 (or 54921701286 counting only the distinct ones).

The product of its digits is 71124480, while the sum is 64.

The spelling of 15872371666741 in words is "fifteen trillion, eight hundred seventy-two billion, three hundred seventy-one million, six hundred sixty-six thousand, seven hundred forty-one".