15255142116 has 12 divisors (see below), whose sum is σ = 35595331632. Its totient is φ = 5085047368.

The previous prime is 15255142109. The next prime is 15255142139. The reversal of 15255142116 is 61124155251.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 635630910 + ... + 635630933.

It is an arithmetic number, because the mean of its divisors is an integer number (2966277636).

Almost surely, 2^15255142116 is an apocalyptic number.

It is an amenable number.

15255142116 is an abundant number, since it is smaller than the sum of its proper divisors (20340189516).

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

15255142116 is a wasteful number, since it uses less digits than its factorization.

15255142116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1271261850 (or 1271261848 counting only the distinct ones).

The product of its digits is 12000, while the sum is 33.

Adding to 15255142116 its reverse (61124155251), we get a palindrome (76379297367).

The spelling of 15255142116 in words is "fifteen billion, two hundred fifty-five million, one hundred forty-two thousand, one hundred sixteen".