11400375 has 64 divisors (see below), whose sum is σ = 22404096. Its totient is φ = 5040000.

The previous prime is 11400293. The next prime is 11400377. The reversal of 11400375 is 57300411.

It is not a de Polignac number, because 11400375 - 2¹² = 11396279 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11400377) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 112825 + ... + 112925.

It is an arithmetic number, because the mean of its divisors is an integer number (350064).

Almost surely, 2^11400375 is an apocalyptic number.

11400375 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11400375 is a deficient number, since it is larger than the sum of its proper divisors (11003721).

11400375 is a wasteful number, since it uses less digits than its factorization.

11400375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169 (or 159 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 11400375 is about 3376.4441354774. Note that the first 3 decimals coincide. The cubic root of 11400375 is about 225.0641792226.

Adding to 11400375 its reverse (57300411), we get a palindrome (68700786).

The spelling of 11400375 in words is "eleven million, four hundred thousand, three hundred seventy-five".