15103152242 has 4 divisors (see below), whose sum is σ = 22654728366. Its totient is φ = 7551576120.

The previous prime is 15103152203. The next prime is 15103152277. The reversal of 15103152242 is 24225130151.

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

It can be written as a sum of positive squares in only one way, i.e., 14421367921 + 681784321 = 120089^2 + 26111^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3775788059 + ... + 3775788062.

Almost surely, 2^15103152242 is an apocalyptic number.

15103152242 is a deficient number, since it is larger than the sum of its proper divisors (7551576124).

15103152242 is an equidigital number, since it uses as much as digits as its factorization.

15103152242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7551576123.

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 15103152242 its reverse (24225130151), we get a palindrome (39328282393).

The spelling of 15103152242 in words is "fifteen billion, one hundred three million, one hundred fifty-two thousand, two hundred forty-two".