1127755011 has 4 divisors (see below), whose sum is σ = 1503673352. Its totient is φ = 751836672.

The previous prime is 1127755009. The next prime is 1127755033. The reversal of 1127755011 is 1105577211.

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

It is not a de Polignac number, because 1127755011 - 2¹ = 1127755009 is a prime.

It is a super-2 number, since 2×1127755011² = 2543662729671220242, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1127755011.

It is not an unprimeable number, because it can be changed into a prime (1127755001) 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, 187959166 + ... + 187959171.

It is an arithmetic number, because the mean of its divisors is an integer number (375918338).

Almost surely, 2^1127755011 is an apocalyptic number.

1127755011 is a deficient number, since it is larger than the sum of its proper divisors (375918341).

1127755011 is an equidigital number, since it uses as much as digits as its factorization.

1127755011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375918340.

The product of its (nonzero) digits is 2450, while the sum is 30.

The square root of 1127755011 is about 33582.0638287762. The cubic root of 1127755011 is about 1040.8902051907.

The spelling of 1127755011 in words is "one billion, one hundred twenty-seven million, seven hundred fifty-five thousand, eleven".