11156755442 has 16 divisors (see below), whose sum is σ = 19311556992. Its totient is φ = 4735044000.

The previous prime is 11156755417. The next prime is 11156755457. The reversal of 11156755442 is 24455765111.

It is a self number, because there is not a number n which added to its sum of digits gives 11156755442.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3867059 + ... + 3869942.

It is an arithmetic number, because the mean of its divisors is an integer number (1206972312).

Almost surely, 2^11156755442 is an apocalyptic number.

11156755442 is a deficient number, since it is larger than the sum of its proper divisors (8154801550).

11156755442 is a wasteful number, since it uses less digits than its factorization.

11156755442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7737113.

The product of its digits is 168000, while the sum is 41.

The spelling of 11156755442 in words is "eleven billion, one hundred fifty-six million, seven hundred fifty-five thousand, four hundred forty-two".