2311611623106 has 16 divisors (see below), whose sum is σ = 4649051311200. Its totient is φ = 766232530208.

The previous prime is 2311611623099. The next prime is 2311611623131. The reversal of 2311611623106 is 6013261161132.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1076168211 + ... + 1076170358.

It is an arithmetic number, because the mean of its divisors is an integer number (290565706950).

Almost surely, 2^{2311611623106} is an apocalyptic number.

2311611623106 is an abundant number, since it is smaller than the sum of its proper divisors (2337439688094).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2311611623106 is a wasteful number, since it uses less digits than its factorization.

2311611623106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2152338753.

The product of its (nonzero) digits is 7776, while the sum is 33.

Adding to 2311611623106 its reverse (6013261161132), we get a palindrome (8324872784238).

The spelling of 2311611623106 in words is "two trillion, three hundred eleven billion, six hundred eleven million, six hundred twenty-three thousand, one hundred six".