11230782431 has 4 divisors (see below), whose sum is σ = 12251762664. Its totient is φ = 10209802200.

The previous prime is 11230782391. The next prime is 11230782467. The reversal of 11230782431 is 13428703211.

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

It is a cyclic number.

It is not a de Polignac number, because 11230782431 - 2²² = 11226588127 is a prime.

It is a super-2 number, since 2×11230782431² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11230782481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 510490100 + ... + 510490121.

It is an arithmetic number, because the mean of its divisors is an integer number (3062940666).

Almost surely, 2^11230782431 is an apocalyptic number.

11230782431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11230782431 is a deficient number, since it is larger than the sum of its proper divisors (1020980233).

11230782431 is a wasteful number, since it uses less digits than its factorization.

11230782431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1020980232.

The product of its (nonzero) digits is 8064, while the sum is 32.

The spelling of 11230782431 in words is "eleven billion, two hundred thirty million, seven hundred eighty-two thousand, four hundred thirty-one".