11251401 has 32 divisors (see below), whose sum is σ = 18263040. Its totient is φ = 6018624.

The previous prime is 11251381. The next prime is 11251421. The reversal of 11251401 is 10415211.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11251381) and next prime (11251421).

It is not a de Polignac number, because 11251401 - 2⁵ = 11251369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11251421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 64951 + ... + 65123.

It is an arithmetic number, because the mean of its divisors is an integer number (570720).

Almost surely, 2^11251401 is an apocalyptic number.

It is an amenable number.

11251401 is a deficient number, since it is larger than the sum of its proper divisors (7011639).

11251401 is a wasteful number, since it uses less digits than its factorization.

11251401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365.

The product of its (nonzero) digits is 40, while the sum is 15.

The square root of 11251401 is about 3354.3108084970. The cubic root of 11251401 is about 224.0795383463.

Adding to 11251401 its reverse (10415211), we get a palindrome (21666612).

The spelling of 11251401 in words is "eleven million, two hundred fifty-one thousand, four hundred one".