15142254555 has 32 divisors (see below), whose sum is σ = 24309444096. Its totient is φ = 8048646144.

The previous prime is 15142254553. The next prime is 15142254557. The reversal of 15142254555 is 55545224151.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (15142254553) and next prime (15142254557).

It is not a de Polignac number, because 15142254555 - 2¹ = 15142254553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (15142254553) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7165179 + ... + 7167291.

It is an arithmetic number, because the mean of its divisors is an integer number (759670128).

Almost surely, 2^15142254555 is an apocalyptic number.

15142254555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

15142254555 is a deficient number, since it is larger than the sum of its proper divisors (9167189541).

15142254555 is a wasteful number, since it uses less digits than its factorization.

15142254555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3507.

The product of its digits is 200000, while the sum is 39.

The spelling of 15142254555 in words is "fifteen billion, one hundred forty-two million, two hundred fifty-four thousand, five hundred fifty-five".