1140751311 has 12 divisors (see below), whose sum is σ = 1769328792. Its totient is φ = 651857808.

The previous prime is 1140751303. The next prime is 1140751321. The reversal of 1140751311 is 1131570411.

It is not a de Polignac number, because 1140751311 - 2³ = 1140751303 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140751321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3879960 + ... + 3880253.

It is an arithmetic number, because the mean of its divisors is an integer number (147444066).

Almost surely, 2^1140751311 is an apocalyptic number.

1140751311 is a deficient number, since it is larger than the sum of its proper divisors (628577481).

1140751311 is an equidigital number, since it uses as much as digits as its factorization.

1140751311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7760230 (or 7760223 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 24.

The square root of 1140751311 is about 33775.0101554389. The cubic root of 1140751311 is about 1044.8733654535.

Subtracting from 1140751311 its reverse (1131570411), we obtain a square (9180900 = 3030²).

The spelling of 1140751311 in words is "one billion, one hundred forty million, seven hundred fifty-one thousand, three hundred eleven".