15010122225 has 72 divisors (see below), whose sum is σ = 29299800288. Its totient is φ = 6759244800.

The previous prime is 15010122173. The next prime is 15010122229. The reversal of 15010122225 is 52222101051.

It is not a de Polignac number, because 15010122225 - 2¹³ = 15010114033 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (15010122229) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 215745 + ... + 276705.

Almost surely, 2^15010122225 is an apocalyptic number.

15010122225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

15010122225 is a deficient number, since it is larger than the sum of its proper divisors (14289678063).

15010122225 is a wasteful number, since it uses less digits than its factorization.

15010122225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61055 (or 61043 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 21.

Adding to 15010122225 its reverse (52222101051), we get a palindrome (67232223276).

The spelling of 15010122225 in words is "fifteen billion, ten million, one hundred twenty-two thousand, two hundred twenty-five".