1111431402224 has 40 divisors (see below), whose sum is σ = 2529866588592. Its totient is φ = 466334853120.

The previous prime is 1111431402203. The next prime is 1111431402247. The reversal of 1111431402224 is 4222041341111.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a junction number, because it is equal to n+sod(n) for n = 1111431402193 and 1111431402202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 242880449 + ... + 242885024.

Almost surely, 2^{1111431402224} is an apocalyptic number.

It is an amenable number.

1111431402224 is an abundant number, since it is smaller than the sum of its proper divisors (1418435186368).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1111431402224 is a wasteful number, since it uses less digits than its factorization.

1111431402224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485765505 (or 485765499 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

Adding to 1111431402224 its reverse (4222041341111), we get a palindrome (5333472743335).

The spelling of 1111431402224 in words is "one trillion, one hundred eleven billion, four hundred thirty-one million, four hundred two thousand, two hundred twenty-four".