11140505141 has 4 divisors (see below), whose sum is σ = 11220652800. Its totient is φ = 11060357484.

The previous prime is 11140505137. The next prime is 11140505149. The reversal of 11140505141 is 14150504111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11140505141 - 2² = 11140505137 is a prime.

It is a super-2 number, since 2×11140505141² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11140505149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40073621 + ... + 40073898.

It is an arithmetic number, because the mean of its divisors is an integer number (2805163200).

Almost surely, 2^11140505141 is an apocalyptic number.

It is an amenable number.

11140505141 is a deficient number, since it is larger than the sum of its proper divisors (80147659).

11140505141 is an equidigital number, since it uses as much as digits as its factorization.

11140505141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80147658.

The product of its (nonzero) digits is 400, while the sum is 23.

The spelling of 11140505141 in words is "eleven billion, one hundred forty million, five hundred five thousand, one hundred forty-one".