2661041115 has 12 divisors (see below), whose sum is σ = 4612471344. Its totient is φ = 1419221904.

The previous prime is 2661041113. The next prime is 2661041129. The reversal of 2661041115 is 5111401662.

2661041115 is a `hidden beast` number, since 2 + 6 + 610 + 41 + 1 + 1 + 5 = 666.

It is not a de Polignac number, because 2661041115 - 2¹ = 2661041113 is a prime.

It is a super-2 number, since 2×2661041115² = 14162279631440886450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2661041113) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29567079 + ... + 29567168.

It is an arithmetic number, because the mean of its divisors is an integer number (384372612).

Almost surely, 2^2661041115 is an apocalyptic number.

2661041115 is a deficient number, since it is larger than the sum of its proper divisors (1951430229).

2661041115 is a wasteful number, since it uses less digits than its factorization.

2661041115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59134258 (or 59134255 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 2661041115 is about 51585.2800225025. The cubic root of 2661041115 is about 1385.7467272694.

Adding to 2661041115 its reverse (5111401662), we get a palindrome (7772442777).

The spelling of 2661041115 in words is "two billion, six hundred sixty-one million, forty-one thousand, one hundred fifteen".