11400542611 has 4 divisors (see below), whose sum is σ = 11793664800. Its totient is φ = 11007420424.

The previous prime is 11400542603. The next prime is 11400542663. The reversal of 11400542611 is 11624500411.

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

It is a cyclic number.

It is not a de Polignac number, because 11400542611 - 2³ = 11400542603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11400542311) 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, 196561051 + ... + 196561108.

It is an arithmetic number, because the mean of its divisors is an integer number (2948416200).

Almost surely, 2^11400542611 is an apocalyptic number.

11400542611 is a deficient number, since it is larger than the sum of its proper divisors (393122189).

11400542611 is an equidigital number, since it uses as much as digits as its factorization.

11400542611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393122188.

The product of its (nonzero) digits is 960, while the sum is 25.

The spelling of 11400542611 in words is "eleven billion, four hundred million, five hundred forty-two thousand, six hundred eleven".