15961393461592 has 16 divisors (see below), whose sum is σ = 30218172089040. Its totient is φ = 7903214237856.

The previous prime is 15961393461527. The next prime is 15961393461593. The reversal of 15961393461592 is 29516439316951.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15961393461593) 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 in 3 ways as a sum of consecutive naturals, for example, 9685310743 + ... + 9685312390.

It is an arithmetic number, because the mean of its divisors is an integer number (1888635755565).

Almost surely, 2^{15961393461592} is an apocalyptic number.

It is an amenable number.

15961393461592 is a deficient number, since it is larger than the sum of its proper divisors (14256778627448).

15961393461592 is a wasteful number, since it uses less digits than its factorization.

15961393461592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19370623242 (or 19370623238 counting only the distinct ones).

The product of its digits is 47239200, while the sum is 64.

The spelling of 15961393461592 in words is "fifteen trillion, nine hundred sixty-one billion, three hundred ninety-three million, four hundred sixty-one thousand, five hundred ninety-two".