7138111053 has 4 divisors (see below), whose sum is σ = 9517481408. Its totient is φ = 4758740700.

The previous prime is 7138111049. The next prime is 7138111093. The reversal of 7138111053 is 3501118317.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 7138111053 - 2² = 7138111049 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7138111053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7138111033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1189685173 + ... + 1189685178.

It is an arithmetic number, because the mean of its divisors is an integer number (2379370352).

Almost surely, 2^7138111053 is an apocalyptic number.

It is an amenable number.

7138111053 is a deficient number, since it is larger than the sum of its proper divisors (2379370355).

7138111053 is a wasteful number, since it uses less digits than its factorization.

7138111053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2379370354.

The product of its (nonzero) digits is 2520, while the sum is 30.

The square root of 7138111053 is about 84487.3425608830. The cubic root of 7138111053 is about 1925.4301442093.

The spelling of 7138111053 in words is "seven billion, one hundred thirty-eight million, one hundred eleven thousand, fifty-three".