11431113206146 has 4 divisors (see below), whose sum is σ = 17146669809222. Its totient is φ = 5715556603072.

The previous prime is 11431113206119. The next prime is 11431113206231. The reversal of 11431113206146 is 64160231113411.

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., 9291285481921 + 2139827724225 = 3048161^2 + 1462815^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2857778301535 + ... + 2857778301538.

Almost surely, 2^{11431113206146} is an apocalyptic number.

11431113206146 is a deficient number, since it is larger than the sum of its proper divisors (5715556603076).

11431113206146 is an equidigital number, since it uses as much as digits as its factorization.

11431113206146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5715556603075.

The product of its (nonzero) digits is 10368, while the sum is 34.

Adding to 11431113206146 its reverse (64160231113411), we get a palindrome (75591344319557).

The spelling of 11431113206146 in words is "eleven trillion, four hundred thirty-one billion, one hundred thirteen million, two hundred six thousand, one hundred forty-six".