2113143223155 has 32 divisors (see below), whose sum is σ = 3500458536960. Its totient is φ = 1087263085440.

The previous prime is 2113143223151. The next prime is 2113143223181. The reversal of 2113143223155 is 5513223413112.

It is a happy number.

It is not a de Polignac number, because 2113143223155 - 2² = 2113143223151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2113143223151) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1437627 + ... + 2508596.

It is an arithmetic number, because the mean of its divisors is an integer number (109389329280).

Almost surely, 2^{2113143223155} is an apocalyptic number.

2113143223155 is a deficient number, since it is larger than the sum of its proper divisors (1387315313805).

2113143223155 is a wasteful number, since it uses less digits than its factorization.

2113143223155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3947491.

The product of its digits is 21600, while the sum is 33.

Adding to 2113143223155 its reverse (5513223413112), we get a palindrome (7626366636267).

The spelling of 2113143223155 in words is "two trillion, one hundred thirteen billion, one hundred forty-three million, two hundred twenty-three thousand, one hundred fifty-five".