11031523354 has 4 divisors (see below), whose sum is σ = 16547285034. Its totient is φ = 5515761676.

The previous prime is 11031523333. The next prime is 11031523357. The reversal of 11031523354 is 45332513011.

It is a happy number.

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., 9744651225 + 1286872129 = 98715^2 + 35873^2 .

It is not an unprimeable number, because it can be changed into a prime (11031523357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2757880837 + ... + 2757880840.

Almost surely, 2^11031523354 is an apocalyptic number.

11031523354 is a deficient number, since it is larger than the sum of its proper divisors (5515761680).

11031523354 is an equidigital number, since it uses as much as digits as its factorization.

11031523354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5515761679.

The product of its (nonzero) digits is 5400, while the sum is 28.

The spelling of 11031523354 in words is "eleven billion, thirty-one million, five hundred twenty-three thousand, three hundred fifty-four".