15680154120741 has 48 divisors (see below), whose sum is σ = 25007406907392. Its totient is φ = 9388028628000.

The previous prime is 15680154120737. The next prime is 15680154120809. The reversal of 15680154120741 is 14702145108651.

It is a happy number.

15680154120741 is a `hidden beast` number, since 1 + 5 + 6 + 80 + 1 + 541 + 20 + 7 + 4 + 1 = 666.

It is not a de Polignac number, because 15680154120741 - 2² = 15680154120737 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15680154120541) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 151560156 + ... + 151663578.

It is an arithmetic number, because the mean of its divisors is an integer number (520987643904).

Almost surely, 2^{15680154120741} is an apocalyptic number.

15680154120741 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

15680154120741 is a deficient number, since it is larger than the sum of its proper divisors (9327252786651).

15680154120741 is a wasteful number, since it uses less digits than its factorization.

15680154120741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121974 (or 121971 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 45.

The spelling of 15680154120741 in words is "fifteen trillion, six hundred eighty billion, one hundred fifty-four million, one hundred twenty thousand, seven hundred forty-one".