2115803742 has 32 divisors (see below), whose sum is σ = 4559428608. Its totient is φ = 650686176.

The previous prime is 2115803693. The next prime is 2115803761. The reversal of 2115803742 is 2473085112.

It is a super-2 number, since 2×2115803742² = 8953250949322405128, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 180183 + ... + 191565.

It is an arithmetic number, because the mean of its divisors is an integer number (142482144).

Almost surely, 2^2115803742 is an apocalyptic number.

2115803742 is an abundant number, since it is smaller than the sum of its proper divisors (2443624866).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2115803742 is a wasteful number, since it uses less digits than its factorization.

2115803742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13784.

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 2115803742 is about 45997.8667114030. The cubic root of 2115803742 is about 1283.7835120402.

Adding to 2115803742 its reverse (2473085112), we get a palindrome (4588888854).

The spelling of 2115803742 in words is "two billion, one hundred fifteen million, eight hundred three thousand, seven hundred forty-two".