11143034402 has 4 divisors (see below), whose sum is σ = 16714551606. Its totient is φ = 5571517200.

The previous prime is 11143034369. The next prime is 11143034453. The reversal of 11143034402 is 20443034111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20443034111 = 16943 ⋅1206577.

It can be written as a sum of positive squares in only one way, i.e., 10351231081 + 791803321 = 101741^2 + 28139^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2785758599 + ... + 2785758602.

Almost surely, 2^11143034402 is an apocalyptic number.

11143034402 is a deficient number, since it is larger than the sum of its proper divisors (5571517204).

11143034402 is an equidigital number, since it uses as much as digits as its factorization.

11143034402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5571517203.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 11143034402 its reverse (20443034111), we get a palindrome (31586068513).

The spelling of 11143034402 in words is "eleven billion, one hundred forty-three million, thirty-four thousand, four hundred two".