11540051 has 4 divisors (see below), whose sum is σ = 11785632. Its totient is φ = 11294472.

The previous prime is 11540033. The next prime is 11540069. The reversal of 11540051 is 15004511.

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

It is an interprime number because it is at equal distance from previous prime (11540033) and next prime (11540069).

It is a cyclic number.

It is not a de Polignac number, because 11540051 - 2¹⁰ = 11539027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11540251) 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, 122720 + ... + 122813.

It is an arithmetic number, because the mean of its divisors is an integer number (2946408).

Almost surely, 2^11540051 is an apocalyptic number.

11540051 is a deficient number, since it is larger than the sum of its proper divisors (245581).

11540051 is an equidigital number, since it uses as much as digits as its factorization.

11540051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245580.

The product of its (nonzero) digits is 100, while the sum is 17.

The square root of 11540051 is about 3397.0650567806. The cubic root of 11540051 is about 225.9796037144.

Adding to 11540051 its reverse (15004511), we get a palindrome (26544562).

The spelling of 11540051 in words is "eleven million, five hundred forty thousand, fifty-one".