11542514143 has 4 divisors (see below), whose sum is σ = 12044362608. Its totient is φ = 11040665680.

The previous prime is 11542514131. The next prime is 11542514173. The reversal of 11542514143 is 34141524511.

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 11542514143 - 2²¹ = 11540416991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11542514173) 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, 250924198 + ... + 250924243.

It is an arithmetic number, because the mean of its divisors is an integer number (3011090652).

Almost surely, 2^11542514143 is an apocalyptic number.

11542514143 is a deficient number, since it is larger than the sum of its proper divisors (501848465).

11542514143 is an equidigital number, since it uses as much as digits as its factorization.

11542514143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501848464.

The product of its digits is 9600, while the sum is 31.

The spelling of 11542514143 in words is "eleven billion, five hundred forty-two million, five hundred fourteen thousand, one hundred forty-three".