11157803782 has 4 divisors (see below), whose sum is σ = 16736705676. Its totient is φ = 5578901890.

The previous prime is 11157803779. The next prime is 11157803791. The reversal of 11157803782 is 28730875111.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×11157803782² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2789450944 + ... + 2789450947.

It is an arithmetic number, because the mean of its divisors is an integer number (4184176419).

Almost surely, 2^11157803782 is an apocalyptic number.

11157803782 is a deficient number, since it is larger than the sum of its proper divisors (5578901894).

11157803782 is an equidigital number, since it uses as much as digits as its factorization.

11157803782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5578901893.

The product of its (nonzero) digits is 94080, while the sum is 43.

The spelling of 11157803782 in words is "eleven billion, one hundred fifty-seven million, eight hundred three thousand, seven hundred eighty-two".