11761142 has 16 divisors (see below), whose sum is σ = 18531072. Its totient is φ = 5587560.

The previous prime is 11761117. The next prime is 11761151. The reversal of 11761142 is 24116711.

It is a happy number.

It is a super-2 number, since 2×11761142² = 276648922288328, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6917 + ... + 8447.

It is an arithmetic number, because the mean of its divisors is an integer number (1158192).

Almost surely, 2^11761142 is an apocalyptic number.

11761142 is a deficient number, since it is larger than the sum of its proper divisors (6769930).

11761142 is a wasteful number, since it uses less digits than its factorization.

11761142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1723.

The product of its digits is 336, while the sum is 23.

The square root of 11761142 is about 3429.4521428356. The cubic root of 11761142 is about 227.4136338433.

Adding to 11761142 its reverse (24116711), we get a palindrome (35877853).

The spelling of 11761142 in words is "eleven million, seven hundred sixty-one thousand, one hundred forty-two".