2106012605956 has 48 divisors (see below), whose sum is σ = 4492344761856. Its totient is φ = 843283436544.

The previous prime is 2106012605951. The next prime is 2106012605989. The reversal of 2106012605956 is 6595062106012.

It is not an unprimeable number, because it can be changed into a prime (2106012605951) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16082220 + ... + 16212643.

It is an arithmetic number, because the mean of its divisors is an integer number (93590515872).

Almost surely, 2^{2106012605956} is an apocalyptic number.

It is an amenable number.

2106012605956 is an abundant number, since it is smaller than the sum of its proper divisors (2386332155900).

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

2106012605956 is a wasteful number, since it uses less digits than its factorization.

2106012605956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32295028 (or 32295026 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 43.

The spelling of 2106012605956 in words is "two trillion, one hundred six billion, twelve million, six hundred five thousand, nine hundred fifty-six".