1131719051 has 4 divisors (see below), whose sum is σ = 1139979912. Its totient is φ = 1123458192.

The previous prime is 1131719011. The next prime is 1131719081. The reversal of 1131719051 is 1509171311.

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

It is a cyclic number.

It is not a de Polignac number, because 1131719051 - 2²² = 1127524747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1131719011) 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, 4130225 + ... + 4130498.

It is an arithmetic number, because the mean of its divisors is an integer number (284994978).

Almost surely, 2^1131719051 is an apocalyptic number.

1131719051 is a deficient number, since it is larger than the sum of its proper divisors (8260861).

1131719051 is an equidigital number, since it uses as much as digits as its factorization.

1131719051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8260860.

The product of its (nonzero) digits is 945, while the sum is 29.

The square root of 1131719051 is about 33641.0322522957. The cubic root of 1131719051 is about 1042.1083496047.

The spelling of 1131719051 in words is "one billion, one hundred thirty-one million, seven hundred nineteen thousand, fifty-one".