117211053 has 4 divisors (see below), whose sum is σ = 156281408. Its totient is φ = 78140700.

The previous prime is 117211051. The next prime is 117211103. The reversal of 117211053 is 350112711.

It is a happy number.

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 117211053 - 2¹ = 117211051 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117211051) 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, 19535173 + ... + 19535178.

It is an arithmetic number, because the mean of its divisors is an integer number (39070352).

Almost surely, 2^117211053 is an apocalyptic number.

It is an amenable number.

117211053 is a deficient number, since it is larger than the sum of its proper divisors (39070355).

117211053 is an equidigital number, since it uses as much as digits as its factorization.

117211053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39070354.

The product of its (nonzero) digits is 210, while the sum is 21.

The square root of 117211053 is about 10826.4053591208. The cubic root of 117211053 is about 489.3912376175.

Adding to 117211053 its reverse (350112711), we get a palindrome (467323764).

The spelling of 117211053 in words is "one hundred seventeen million, two hundred eleven thousand, fifty-three".