11125512542 has 8 divisors (see below), whose sum is σ = 16937347656. Its totient is φ = 5479729992.

The previous prime is 11125512397. The next prime is 11125512553. The reversal of 11125512542 is 24521552111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41512973 + ... + 41513240.

It is an arithmetic number, because the mean of its divisors is an integer number (2117168457).

Almost surely, 2^11125512542 is an apocalyptic number.

11125512542 is a deficient number, since it is larger than the sum of its proper divisors (5811835114).

11125512542 is an equidigital number, since it uses as much as digits as its factorization.

11125512542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83026282.

The product of its digits is 4000, while the sum is 29.

The spelling of 11125512542 in words is "eleven billion, one hundred twenty-five million, five hundred twelve thousand, five hundred forty-two".