11031665434 has 4 divisors (see below), whose sum is σ = 16547498154. Its totient is φ = 5515832716.

The previous prime is 11031665431. The next prime is 11031665503. The reversal of 11031665434 is 43456613011.

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., 10560645225 + 471020209 = 102765^2 + 21703^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11031665434.

It is not an unprimeable number, because it can be changed into a prime (11031665431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2757916357 + ... + 2757916360.

Almost surely, 2^11031665434 is an apocalyptic number.

11031665434 is a deficient number, since it is larger than the sum of its proper divisors (5515832720).

11031665434 is an equidigital number, since it uses as much as digits as its factorization.

11031665434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5515832719.

The product of its (nonzero) digits is 25920, while the sum is 34.

The spelling of 11031665434 in words is "eleven billion, thirty-one million, six hundred sixty-five thousand, four hundred thirty-four".