2116545220635 has 16 divisors (see below), whose sum is σ = 3533710281984. Its totient is φ = 1079744808032.

The previous prime is 2116545220631. The next prime is 2116545220639. The reversal of 2116545220635 is 5360225456112.

It is an interprime number because it is at equal distance from previous prime (2116545220631) and next prime (2116545220639).

It is a cyclic number.

It is not a de Polignac number, because 2116545220635 - 2² = 2116545220631 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2116545220631) 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, 3067456497 + ... + 3067457186.

It is an arithmetic number, because the mean of its divisors is an integer number (220856892624).

Almost surely, 2^{2116545220635} is an apocalyptic number.

2116545220635 is a deficient number, since it is larger than the sum of its proper divisors (1417165061349).

2116545220635 is a wasteful number, since it uses less digits than its factorization.

2116545220635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6134913714.

The product of its (nonzero) digits is 432000, while the sum is 42.

The spelling of 2116545220635 in words is "two trillion, one hundred sixteen billion, five hundred forty-five million, two hundred twenty thousand, six hundred thirty-five".