11287098431 has 8 divisors (see below), whose sum is σ = 12941021184. Its totient is φ = 9643545720.

The previous prime is 11287098401. The next prime is 11287098437. The reversal of 11287098431 is 13489078211.

11287098431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 11287098431 - 2¹⁰ = 11287097407 is a prime.

It is a super-2 number, since 2×11287098431² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11287098437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2590175 + ... + 2594528.

It is an arithmetic number, because the mean of its divisors is an integer number (1617627648).

Almost surely, 2^11287098431 is an apocalyptic number.

11287098431 is a deficient number, since it is larger than the sum of its proper divisors (1653922753).

11287098431 is an equidigital number, since it uses as much as digits as its factorization.

11287098431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5185021.

The product of its (nonzero) digits is 96768, while the sum is 44.

The spelling of 11287098431 in words is "eleven billion, two hundred eighty-seven million, ninety-eight thousand, four hundred thirty-one".