11401430208 has 56 divisors (see below), whose sum is σ = 34475757312. Its totient is φ = 3257551104.

The previous prime is 11401430197. The next prime is 11401430221. The reversal of 11401430208 is 80203410411.

It is a tau number, because it is divible by the number of its divisors (56).

It is a super-2 number, since 2×11401430208² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 4240260 + ... + 4242947.

Almost surely, 2^11401430208 is an apocalyptic number.

It is an amenable number.

11401430208 is an abundant number, since it is smaller than the sum of its proper divisors (23074327104).

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

11401430208 is an equidigital number, since it uses as much as digits as its factorization.

11401430208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8483229 (or 8483219 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 11401430208 its reverse (80203410411), we get a palindrome (91604840619).

The spelling of 11401430208 in words is "eleven billion, four hundred one million, four hundred thirty thousand, two hundred eight".