9555555555238 has 24 divisors (see below), whose sum is σ = 18189239333544. Its totient is φ = 3722943722400.

The previous prime is 9555555555167. The next prime is 9555555555253. The reversal of 9555555555238 is 8325555555559.

It is a happy number.

It is a congruent number.

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, 4432074783 + ... + 4432076938.

It is an arithmetic number, because the mean of its divisors is an integer number (757884972231).

Almost surely, 2^{9555555555238} is an apocalyptic number.

9555555555238 is a gapful number since it is divisible by the number (98) formed by its first and last digit.

9555555555238 is a deficient number, since it is larger than the sum of its proper divisors (8633683778306).

9555555555238 is a wasteful number, since it uses less digits than its factorization.

9555555555238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8864151748 (or 8864151741 counting only the distinct ones).

The product of its digits is 843750000, while the sum is 67.

The spelling of 9555555555238 in words is "nine trillion, five hundred fifty-five billion, five hundred fifty-five million, five hundred fifty-five thousand, two hundred thirty-eight".