15680142753794 has 32 divisors (see below), whose sum is σ = 24824713116672. Its totient is φ = 7418098440000.

The previous prime is 15680142753727. The next prime is 15680142753799. The reversal of 15680142753794 is 49735724108651.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (62).

It is not an unprimeable number, because it can be changed into a prime (15680142753799) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11781557 + ... + 13044744.

It is an arithmetic number, because the mean of its divisors is an integer number (775772284896).

It is a 1-persistent number, because it is pandigital, but 2⋅15680142753794 = 31360285507588 is not.

Almost surely, 2^{15680142753794} is an apocalyptic number.

15680142753794 is a deficient number, since it is larger than the sum of its proper divisors (9144570362878).

15680142753794 is a wasteful number, since it uses less digits than its factorization.

15680142753794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24826562.

The product of its (nonzero) digits is 50803200, while the sum is 62.

Adding to 15680142753794 its sum of digits (62), we get a square (15680142753856 = 3959816²).

The spelling of 15680142753794 in words is "fifteen trillion, six hundred eighty billion, one hundred forty-two million, seven hundred fifty-three thousand, seven hundred ninety-four".