11161851202 has 4 divisors (see below), whose sum is σ = 16742776806. Its totient is φ = 5580925600.

The previous prime is 11161851199. The next prime is 11161851203. The reversal of 11161851202 is 20215816111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20215816111 = 479 ⋅42204209.

It can be written as a sum of positive squares in only one way, i.e., 7425096561 + 3736754641 = 86169^2 + 61129^2 .

It is not an unprimeable number, because it can be changed into a prime (11161851203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2790462799 + ... + 2790462802.

Almost surely, 2^11161851202 is an apocalyptic number.

11161851202 is a deficient number, since it is larger than the sum of its proper divisors (5580925604).

11161851202 is an equidigital number, since it uses as much as digits as its factorization.

11161851202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5580925603.

The product of its (nonzero) digits is 960, while the sum is 28.

The spelling of 11161851202 in words is "eleven billion, one hundred sixty-one million, eight hundred fifty-one thousand, two hundred two".