11156243042 has 32 divisors (see below), whose sum is σ = 19311460992. Its totient is φ = 4734849024.

The previous prime is 11156243029. The next prime is 11156243051. The reversal of 11156243042 is 24034265111.

It is a junction number, because it is equal to n+sod(n) for n = 11156242996 and 11156243014.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 613493 + ... + 631415.

It is an arithmetic number, because the mean of its divisors is an integer number (603483156).

Almost surely, 2^11156243042 is an apocalyptic number.

11156243042 is a deficient number, since it is larger than the sum of its proper divisors (8155217950).

11156243042 is a wasteful number, since it uses less digits than its factorization.

11156243042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18362.

The product of its (nonzero) digits is 5760, while the sum is 29.

The spelling of 11156243042 in words is "eleven billion, one hundred fifty-six million, two hundred forty-three thousand, forty-two".