11142051 has 16 divisors (see below), whose sum is σ = 16005120. Its totient is φ = 6874560.

The previous prime is 11142049. The next prime is 11142059. The reversal of 11142051 is 15024111.

It is a happy number.

It is not a de Polignac number, because 11142051 - 2¹ = 11142049 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11142051.

It is not an unprimeable number, because it can be changed into a prime (11142059) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 466 + ... + 4743.

It is an arithmetic number, because the mean of its divisors is an integer number (1000320).

Almost surely, 2^11142051 is an apocalyptic number.

11142051 is a deficient number, since it is larger than the sum of its proper divisors (4863069).

11142051 is a wasteful number, since it uses less digits than its factorization.

11142051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5266.

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

The square root of 11142051 is about 3337.9710903481. The cubic root of 11142051 is about 223.3512465521.

Adding to 11142051 its reverse (15024111), we get a palindrome (26166162).

The spelling of 11142051 in words is "eleven million, one hundred forty-two thousand, fifty-one".