1011111434 has 4 divisors (see below), whose sum is σ = 1516667154. Its totient is φ = 505555716.

The previous prime is 1011111433. The next prime is 1011111443. The reversal of 1011111434 is 4341111101.

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

It can be written as a sum of positive squares in only one way, i.e., 652955809 + 358155625 = 25553^2 + 18925^2 .

It is not an unprimeable number, because it can be changed into a prime (1011111433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252777857 + ... + 252777860.

Almost surely, 2^1011111434 is an apocalyptic number.

1011111434 is a deficient number, since it is larger than the sum of its proper divisors (505555720).

1011111434 is an equidigital number, since it uses as much as digits as its factorization.

1011111434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505555719.

The product of its (nonzero) digits is 48, while the sum is 17.

The square root of 1011111434 is about 31797.9784577573. The cubic root of 1011111434 is about 1003.6901771755.

Adding to 1011111434 its reverse (4341111101), we get a palindrome (5352222535).

The spelling of 1011111434 in words is "one billion, eleven million, one hundred eleven thousand, four hundred thirty-four".