15122552142 has 8 divisors (see below), whose sum is σ = 30245104296. Its totient is φ = 5040850712.

The previous prime is 15122552129. The next prime is 15122552149. The reversal of 15122552142 is 24125522151.

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

15122552142 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15122552149) 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, 1260212673 + ... + 1260212684.

It is an arithmetic number, because the mean of its divisors is an integer number (3780638037).

Almost surely, 2^15122552142 is an apocalyptic number.

15122552142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15122552142 is a wasteful number, since it uses less digits than its factorization.

15122552142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2520425362.

The product of its digits is 8000, while the sum is 30.

The spelling of 15122552142 in words is "fifteen billion, one hundred twenty-two million, five hundred fifty-two thousand, one hundred forty-two".