15011223002 has 8 divisors (see below), whose sum is σ = 22528610676. Its totient is φ = 7501686112.

The previous prime is 15011223001. The next prime is 15011223043. The reversal of 15011223002 is 20032211051.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 14813567521 + 197655481 = 121711^2 + 14059^2 .

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

It is not an unprimeable number, because it can be changed into a prime (15011223001) 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, 1957913 + ... + 1965564.

Almost surely, 2^15011223002 is an apocalyptic number.

15011223002 is a deficient number, since it is larger than the sum of its proper divisors (7517387674).

15011223002 is a wasteful number, since it uses less digits than its factorization.

15011223002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3925392.

The product of its (nonzero) digits is 120, while the sum is 17.

Adding to 15011223002 its reverse (20032211051), we get a palindrome (35043434053).

The spelling of 15011223002 in words is "fifteen billion, eleven million, two hundred twenty-three thousand, two".