11155032442 has 8 divisors (see below), whose sum is σ = 17140659732. Its totient is φ = 5441479200.

The previous prime is 11155032397. The next prime is 11155032479. The reversal of 11155032442 is 24423055111.

It can be written as a sum of positive squares in 2 ways, for example, as 11153260881 + 1771561 = 105609^2 + 1331^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 11155032442.

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, 68018409 + ... + 68018572.

Almost surely, 2^11155032442 is an apocalyptic number.

11155032442 is a deficient number, since it is larger than the sum of its proper divisors (5985627290).

11155032442 is a wasteful number, since it uses less digits than its factorization.

11155032442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136037024.

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 11155032442 its reverse (24423055111), we get a palindrome (35578087553).

The spelling of 11155032442 in words is "eleven billion, one hundred fifty-five million, thirty-two thousand, four hundred forty-two".