15725158021117 has 8 divisors (see below), whose sum is σ = 16273445978592. Its totient is φ = 15183358678800.

The previous prime is 15725158021073. The next prime is 15725158021213. The reversal of 15725158021117 is 71112085152751.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 15725158021117 - 2¹⁵ = 15725157988349 is a prime.

It is a super-3 number, since 3×15725158021117³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15725158061117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1622148859 + ... + 1622158552.

It is an arithmetic number, because the mean of its divisors is an integer number (2034180747324).

Almost surely, 2^{15725158021117} is an apocalyptic number.

It is an amenable number.

15725158021117 is a deficient number, since it is larger than the sum of its proper divisors (548287957475).

15725158021117 is a wasteful number, since it uses less digits than its factorization.

15725158021117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3244307579.

The product of its (nonzero) digits is 196000, while the sum is 46.

The spelling of 15725158021117 in words is "fifteen trillion, seven hundred twenty-five billion, one hundred fifty-eight million, twenty-one thousand, one hundred seventeen".