15040500155 has 4 divisors (see below), whose sum is σ = 18048600192. Its totient is φ = 12032400120.

The previous prime is 15040500103. The next prime is 15040500281. The reversal of 15040500155 is 55100504051.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 15040500155 - 2¹² = 15040496059 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1504050011 + ... + 1504050020.

It is an arithmetic number, because the mean of its divisors is an integer number (4512150048).

Almost surely, 2^15040500155 is an apocalyptic number.

15040500155 is a deficient number, since it is larger than the sum of its proper divisors (3008100037).

15040500155 is an equidigital number, since it uses as much as digits as its factorization.

15040500155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3008100036.

The product of its (nonzero) digits is 2500, while the sum is 26.

The spelling of 15040500155 in words is "fifteen billion, forty million, five hundred thousand, one hundred fifty-five".