15680154120808 has 16 divisors (see below), whose sum is σ = 29400334498080. Its totient is φ = 7840064921328.

The previous prime is 15680154120737. The next prime is 15680154120809. The reversal of 15680154120808 is 80802145108651.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (15680154120809) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6406341 + ... + 8508907.

It is an arithmetic number, because the mean of its divisors is an integer number (1837520906130).

Almost surely, 2^{15680154120808} is an apocalyptic number.

It is an amenable number.

15680154120808 is a deficient number, since it is larger than the sum of its proper divisors (13720180377272).

15680154120808 is a wasteful number, since it uses less digits than its factorization.

15680154120808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3034776 (or 3034772 counting only the distinct ones).

The product of its (nonzero) digits is 614400, while the sum is 49.

The spelling of 15680154120808 in words is "fifteen trillion, six hundred eighty billion, one hundred fifty-four million, one hundred twenty thousand, eight hundred eight".