15255120202 has 24 divisors (see below), whose sum is σ = 26877572064. Its totient is φ = 6361200432.

The previous prime is 15255120163. The next prime is 15255120217. The reversal of 15255120202 is 20202155251.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 378808 + ... + 417139.

It is an arithmetic number, because the mean of its divisors is an integer number (1119898836).

Almost surely, 2^15255120202 is an apocalyptic number.

15255120202 is a deficient number, since it is larger than the sum of its proper divisors (11622451862).

15255120202 is an equidigital number, since it uses as much as digits as its factorization.

15255120202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 796030 (or 795993 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 25.

Adding to 15255120202 its reverse (20202155251), we get a palindrome (35457275453).

The spelling of 15255120202 in words is "fifteen billion, two hundred fifty-five million, one hundred twenty thousand, two hundred two".