11400051 has 8 divisors (see below), whose sum is σ = 16369360. Its totient is φ = 7015392.

The previous prime is 11400043. The next prime is 11400071. The reversal of 11400051 is 15000411.

It is a happy number.

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

It is not a de Polignac number, because 11400051 - 2³ = 11400043 is a prime.

It is a super-2 number, since 2×11400051² = 259922325605202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11400071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146116 + ... + 146193.

It is an arithmetic number, because the mean of its divisors is an integer number (2046170).

Almost surely, 2^11400051 is an apocalyptic number.

11400051 is a deficient number, since it is larger than the sum of its proper divisors (4969309).

11400051 is a wasteful number, since it uses less digits than its factorization.

11400051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292325.

The product of its (nonzero) digits is 20, while the sum is 12.

The square root of 11400051 is about 3376.3961556666. The cubic root of 11400051 is about 225.0620470856.

Adding to 11400051 its reverse (15000411), we get a palindrome (26400462).

The spelling of 11400051 in words is "eleven million, four hundred thousand, fifty-one".