11400473401 has 4 divisors (see below), whose sum is σ = 11412746100. Its totient is φ = 11388200704.

The previous prime is 11400473393. The next prime is 11400473419. The reversal of 11400473401 is 10437400411.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5435228176 + 5965245225 = 73724^2 + 77235^2 .

It is a cyclic number.

It is not a de Polignac number, because 11400473401 - 2³ = 11400473393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11400473471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6134956 + ... + 6136813.

It is an arithmetic number, because the mean of its divisors is an integer number (2853186525).

Almost surely, 2^11400473401 is an apocalyptic number.

It is an amenable number.

11400473401 is a deficient number, since it is larger than the sum of its proper divisors (12272699).

11400473401 is an equidigital number, since it uses as much as digits as its factorization.

11400473401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12272698.

The product of its (nonzero) digits is 1344, while the sum is 25.

Adding to 11400473401 its reverse (10437400411), we get a palindrome (21837873812).

The spelling of 11400473401 in words is "eleven billion, four hundred million, four hundred seventy-three thousand, four hundred one".