15142500121 has 8 divisors (see below), whose sum is σ = 17361362304. Its totient is φ = 12937549920.

The previous prime is 15142500119. The next prime is 15142500161. The reversal of 15142500121 is 12100524151.

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 15142500121 - 2¹ = 15142500119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 15142500092 and 15142500101.

It is not an unprimeable number, because it can be changed into a prime (15142500161) 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, 3475660 + ... + 3480013.

It is an arithmetic number, because the mean of its divisors is an integer number (2170170288).

Almost surely, 2^15142500121 is an apocalyptic number.

It is an amenable number.

15142500121 is a deficient number, since it is larger than the sum of its proper divisors (2218862183).

15142500121 is an equidigital number, since it uses as much as digits as its factorization.

15142500121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6955991.

The product of its (nonzero) digits is 400, while the sum is 22.

The spelling of 15142500121 in words is "fifteen billion, one hundred forty-two million, five hundred thousand, one hundred twenty-one".