7138111055 has 8 divisors (see below), whose sum is σ = 8661978000. Its totient is φ = 5646325696.

The previous prime is 7138111049. The next prime is 7138111093. The reversal of 7138111055 is 5501118317.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 7138111055 - 2²⁸ = 6869675599 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8019905 + ... + 8020794.

It is an arithmetic number, because the mean of its divisors is an integer number (1082747250).

Almost surely, 2^7138111055 is an apocalyptic number.

7138111055 is a deficient number, since it is larger than the sum of its proper divisors (1523866945).

7138111055 is a wasteful number, since it uses less digits than its factorization.

7138111055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16040793.

The product of its (nonzero) digits is 4200, while the sum is 32.

The square root of 7138111055 is about 84487.3425727191. The cubic root of 7138111055 is about 1925.4301443891.

The spelling of 7138111055 in words is "seven billion, one hundred thirty-eight million, one hundred eleven thousand, fifty-five".