11420431401 has 8 divisors (see below), whose sum is σ = 15304538304. Its totient is φ = 7574972720.

The previous prime is 11420431303. The next prime is 11420431427. The reversal of 11420431401 is 10413402411.

11420431401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11420431401 - 2⁷ = 11420431273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11420431471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9661365 + ... + 9662546.

It is an arithmetic number, because the mean of its divisors is an integer number (1913067288).

Almost surely, 2^11420431401 is an apocalyptic number.

It is an amenable number.

11420431401 is a deficient number, since it is larger than the sum of its proper divisors (3884106903).

11420431401 is a wasteful number, since it uses less digits than its factorization.

11420431401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19324111.

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

Adding to 11420431401 its reverse (10413402411), we get a palindrome (21833833812).

The spelling of 11420431401 in words is "eleven billion, four hundred twenty million, four hundred thirty-one thousand, four hundred one".