11140432401 has 48 divisors (see below), whose sum is σ = 18079303680. Its totient is φ = 5976188160.

The previous prime is 11140432363. The next prime is 11140432409. The reversal of 11140432401 is 10423404111.

It is not a de Polignac number, because 11140432401 - 2⁶ = 11140432337 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (11140432409) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2613610 + ... + 2617868.

It is an arithmetic number, because the mean of its divisors is an integer number (376652160).

Almost surely, 2^11140432401 is an apocalyptic number.

It is an amenable number.

11140432401 is a deficient number, since it is larger than the sum of its proper divisors (6938871279).

11140432401 is a wasteful number, since it uses less digits than its factorization.

11140432401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4734 (or 4717 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 11140432401 its reverse (10423404111), we get a palindrome (21563836512).

The spelling of 11140432401 in words is "eleven billion, one hundred forty million, four hundred thirty-two thousand, four hundred one".