15355118338 has 24 divisors (see below), whose sum is σ = 27657414144. Its totient is φ = 6368481000.

The previous prime is 15355118329. The next prime is 15355118341. The reversal of 15355118338 is 83381155351.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 15355118294 and 15355118303.

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, 2524138 + ... + 2530213.

It is an arithmetic number, because the mean of its divisors is an integer number (1152392256).

Almost surely, 2^15355118338 is an apocalyptic number.

15355118338 is a deficient number, since it is larger than the sum of its proper divisors (12302295806).

15355118338 is a wasteful number, since it uses less digits than its factorization.

15355118338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5054398 (or 5054391 counting only the distinct ones).

The product of its digits is 216000, while the sum is 43.

The spelling of 15355118338 in words is "fifteen billion, three hundred fifty-five million, one hundred eighteen thousand, three hundred thirty-eight".