15244021102 has 8 divisors (see below), whose sum is σ = 23092428312. Its totient is φ = 7546545000.

The previous prime is 15244021087. The next prime is 15244021181. The reversal of 15244021102 is 20112044251.

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

It is a congruent 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, 37732524 + ... + 37732927.

It is an arithmetic number, because the mean of its divisors is an integer number (2886553539).

Almost surely, 2^15244021102 is an apocalyptic number.

15244021102 is a deficient number, since it is larger than the sum of its proper divisors (7848407210).

15244021102 is a wasteful number, since it uses less digits than its factorization.

15244021102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75465554.

The product of its (nonzero) digits is 640, while the sum is 22.

Adding to 15244021102 its reverse (20112044251), we get a palindrome (35356065353).

The spelling of 15244021102 in words is "fifteen billion, two hundred forty-four million, twenty-one thousand, one hundred two".