2115232761 has 16 divisors (see below), whose sum is σ = 2897878784. Its totient is φ = 1371406464.

The previous prime is 2115232751. The next prime is 2115232771. The reversal of 2115232761 is 1672325112.

It is an interprime number because it is at equal distance from previous prime (2115232751) and next prime (2115232771).

It is not a de Polignac number, because 2115232761 - 2⁵ = 2115232729 is a prime.

It is a super-3 number, since 3×2115232761³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2115232751) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 411141 + ... + 416253.

It is an arithmetic number, because the mean of its divisors is an integer number (181117424).

Almost surely, 2^2115232761 is an apocalyptic number.

It is an amenable number.

2115232761 is a deficient number, since it is larger than the sum of its proper divisors (782646023).

2115232761 is a wasteful number, since it uses less digits than its factorization.

2115232761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8880.

The product of its digits is 5040, while the sum is 30.

The square root of 2115232761 is about 45991.6596895568. The cubic root of 2115232761 is about 1283.6680189808.

Adding to 2115232761 its reverse (1672325112), we get a palindrome (3787557873).

The spelling of 2115232761 in words is "two billion, one hundred fifteen million, two hundred thirty-two thousand, seven hundred sixty-one".