11001214431 has 12 divisors (see below), whose sum is σ = 15891562960. Its totient is φ = 7333718400.

The previous prime is 11001214379. The next prime is 11001214459. The reversal of 11001214431 is 13441210011.

11001214431 is a `hidden beast` number, since 1 + 100 + 121 + 443 + 1 = 666.

It is not a de Polignac number, because 11001214431 - 2⁹ = 11001213919 is a prime.

It is a super-2 number, since 2×11001214431² (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 (11001214481) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 249231 + ... + 290031.

Almost surely, 2^11001214431 is an apocalyptic number.

11001214431 is a deficient number, since it is larger than the sum of its proper divisors (4890348529).

11001214431 is a wasteful number, since it uses less digits than its factorization.

11001214431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70766 (or 70763 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 11001214431 its reverse (13441210011), we get a palindrome (24442424442).

The spelling of 11001214431 in words is "eleven billion, one million, two hundred fourteen thousand, four hundred thirty-one".