2105161117050 has 24 divisors (see below), whose sum is σ = 5220799570656. Its totient is φ = 561376297840.

The previous prime is 2105161117043. The next prime is 2105161117057. The reversal of 2105161117050 is 507111615012.

It is an interprime number because it is at equal distance from previous prime (2105161117043) and next prime (2105161117057).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2105161116999 and 2105161117017.

It is not an unprimeable number, because it can be changed into a prime (2105161117057) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7017203574 + ... + 7017203873.

It is an arithmetic number, because the mean of its divisors is an integer number (217533315444).

Almost surely, 2^{2105161117050} is an apocalyptic number.

2105161117050 is an abundant number, since it is smaller than the sum of its proper divisors (3115638453606).

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

2105161117050 is a wasteful number, since it uses less digits than its factorization.

2105161117050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14034407462 (or 14034407457 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 30.

The spelling of 2105161117050 in words is "two trillion, one hundred five billion, one hundred sixty-one million, one hundred seventeen thousand, fifty".