11140601155 has 4 divisors (see below), whose sum is σ = 13368721392. Its totient is φ = 8912480920.

The previous prime is 11140601137. The next prime is 11140601179. The reversal of 11140601155 is 55110604111.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 11140601155 - 2¹³ = 11140592963 is a prime.

It is a super-2 number, since 2×11140601155² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1114060111 + ... + 1114060120.

It is an arithmetic number, because the mean of its divisors is an integer number (3342180348).

Almost surely, 2^11140601155 is an apocalyptic number.

11140601155 is a deficient number, since it is larger than the sum of its proper divisors (2228120237).

11140601155 is an equidigital number, since it uses as much as digits as its factorization.

11140601155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2228120236.

The product of its (nonzero) digits is 600, while the sum is 25.

The spelling of 11140601155 in words is "eleven billion, one hundred forty million, six hundred one thousand, one hundred fifty-five".