11401430232 has 64 divisors (see below), whose sum is σ = 29577461760. Its totient is φ = 3658579200.

The previous prime is 11401430221. The next prime is 11401430291. The reversal of 11401430232 is 23203410411.

It is a super-2 number, since 2×11401430232² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11401430199 and 11401430208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101988 + ... + 182220.

It is an arithmetic number, because the mean of its divisors is an integer number (462147840).

Almost surely, 2^11401430232 is an apocalyptic number.

11401430232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11401430232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14788730880).

11401430232 is an abundant number, since it is smaller than the sum of its proper divisors (18176031528).

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

11401430232 is a wasteful number, since it uses less digits than its factorization.

11401430232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80464 (or 80460 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 11401430232 its reverse (23203410411), we get a palindrome (34604840643).

The spelling of 11401430232 in words is "eleven billion, four hundred one million, four hundred thirty thousand, two hundred thirty-two".