1131101141 has 4 divisors (see below), whose sum is σ = 1190632800. Its totient is φ = 1071569484.

The previous prime is 1131101119. The next prime is 1131101177. The reversal of 1131101141 is 1411011311.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1131101141 - 2⁶ = 1131101077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131101641) 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, 29765801 + ... + 29765838.

It is an arithmetic number, because the mean of its divisors is an integer number (297658200).

Almost surely, 2^1131101141 is an apocalyptic number.

It is an amenable number.

1131101141 is a deficient number, since it is larger than the sum of its proper divisors (59531659).

1131101141 is an equidigital number, since it uses as much as digits as its factorization.

1131101141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59531658.

The product of its (nonzero) digits is 12, while the sum is 14.

The square root of 1131101141 is about 33631.8471244147. The cubic root of 1131101141 is about 1041.9186539970.

Adding to 1131101141 its reverse (1411011311), we get a palindrome (2542112452).

The spelling of 1131101141 in words is "one billion, one hundred thirty-one million, one hundred one thousand, one hundred forty-one".