2113657503 has 8 divisors (see below), whose sum is σ = 2864410416. Its totient is φ = 1386004800.

The previous prime is 2113657493. The next prime is 2113657537. The reversal of 2113657503 is 3057563112.

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

It is not a de Polignac number, because 2113657503 - 2⁴ = 2113657487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113652503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5774838 + ... + 5775203.

It is an arithmetic number, because the mean of its divisors is an integer number (358051302).

Almost surely, 2^2113657503 is an apocalyptic number.

2113657503 is a deficient number, since it is larger than the sum of its proper divisors (750752913).

2113657503 is a wasteful number, since it uses less digits than its factorization.

2113657503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11550105.

The product of its (nonzero) digits is 18900, while the sum is 33.

The square root of 2113657503 is about 45974.5310253405. The cubic root of 2113657503 is about 1283.3492817193.

The spelling of 2113657503 in words is "two billion, one hundred thirteen million, six hundred fifty-seven thousand, five hundred three".