1131792511 has 4 divisors (see below), whose sum is σ = 1147296592. Its totient is φ = 1116288432.

The previous prime is 1131792491. The next prime is 1131792517. The reversal of 1131792511 is 1152971311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1152971311 = 1879 ⋅613609.

It is a cyclic number.

It is not a de Polignac number, because 1131792511 - 2¹⁵ = 1131759743 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 (1131792517) 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, 7751931 + ... + 7752076.

It is an arithmetic number, because the mean of its divisors is an integer number (286824148).

Almost surely, 2^1131792511 is an apocalyptic number.

1131792511 is a deficient number, since it is larger than the sum of its proper divisors (15504081).

1131792511 is an equidigital number, since it uses as much as digits as its factorization.

1131792511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15504080.

The product of its digits is 1890, while the sum is 31.

The square root of 1131792511 is about 33642.1240560105. The cubic root of 1131792511 is about 1042.1308969036.

The spelling of 1131792511 in words is "one billion, one hundred thirty-one million, seven hundred ninety-two thousand, five hundred eleven".