11400400365 has 16 divisors (see below), whose sum is σ = 18267363648. Its totient is φ = 6071305856.

The previous prime is 11400400339. The next prime is 11400400411. The reversal of 11400400365 is 56300400411.

It is a cyclic number.

It is not a de Polignac number, because 11400400365 - 2⁶ = 11400400301 is a prime.

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, 546144 + ... + 566633.

It is an arithmetic number, because the mean of its divisors is an integer number (1141710228).

Almost surely, 2^11400400365 is an apocalyptic number.

11400400365 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11400400365 is a deficient number, since it is larger than the sum of its proper divisors (6866963283).

11400400365 is a wasteful number, since it uses less digits than its factorization.

11400400365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1113468.

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 11400400365 its reverse (56300400411), we get a palindrome (67700800776).

The spelling of 11400400365 in words is "eleven billion, four hundred million, four hundred thousand, three hundred sixty-five".