11351620234 has 4 divisors (see below), whose sum is σ = 17027430354. Its totient is φ = 5675810116.

The previous prime is 11351620223. The next prime is 11351620327. The reversal of 11351620234 is 43202615311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43202615311 = 83273 ⋅518807.

It can be written as a sum of positive squares in only one way, i.e., 10149958009 + 1201662225 = 100747^2 + 34665^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2837905057 + ... + 2837905060.

Almost surely, 2^11351620234 is an apocalyptic number.

11351620234 is a deficient number, since it is larger than the sum of its proper divisors (5675810120).

11351620234 is an equidigital number, since it uses as much as digits as its factorization.

11351620234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5675810119.

The product of its (nonzero) digits is 4320, while the sum is 28.

The spelling of 11351620234 in words is "eleven billion, three hundred fifty-one million, six hundred twenty thousand, two hundred thirty-four".