11136541761 has 6 divisors (see below), whose sum is σ = 16086115890. Its totient is φ = 7424361168.

The previous prime is 11136541753. The next prime is 11136541769. The reversal of 11136541761 is 16714563111.

It is a happy number.

11136541761 is a `hidden beast` number, since 1 + 11 + 36 + 541 + 76 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (11136541753) and next prime (11136541769).

It can be written as a sum of positive squares in only one way, i.e., 10523682225 + 612859536 = 102585^2 + 24756^2 .

It is not a de Polignac number, because 11136541761 - 2³ = 11136541753 is a prime.

It is a super-2 number, since 2×11136541761² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11136541769) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 618696756 + ... + 618696773.

It is an arithmetic number, because the mean of its divisors is an integer number (2681019315).

Almost surely, 2^11136541761 is an apocalyptic number.

It is an amenable number.

11136541761 is a deficient number, since it is larger than the sum of its proper divisors (4949574129).

11136541761 is a wasteful number, since it uses less digits than its factorization.

11136541761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1237393535 (or 1237393532 counting only the distinct ones).

The product of its digits is 15120, while the sum is 36.

The spelling of 11136541761 in words is "eleven billion, one hundred thirty-six million, five hundred forty-one thousand, seven hundred sixty-one".