113203217051 has 8 divisors (see below), whose sum is σ = 114490328400. Its totient is φ = 111930573744.

The previous prime is 113203217011. The next prime is 113203217077. The reversal of 113203217051 is 150712302311.

It is a de Polignac number, because none of the positive numbers 2^k-113203217051 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 113203217051.

It is not an unprimeable number, because it can be changed into a prime (113203217011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 624680 + ... + 785258.

It is an arithmetic number, because the mean of its divisors is an integer number (14311291050).

Almost surely, 2^113203217051 is an apocalyptic number.

113203217051 is a deficient number, since it is larger than the sum of its proper divisors (1287111349).

113203217051 is an frugal number, since it uses more digits than its factorization.

113203217051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160846 (or 160668 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 26.

Adding to 113203217051 its reverse (150712302311), we get a palindrome (263915519362).

The spelling of 113203217051 in words is "one hundred thirteen billion, two hundred three million, two hundred seventeen thousand, fifty-one".