2135855892608 has 64 divisors (see below), whose sum is σ = 4480742904000. Its totient is φ = 1011321676800.

The previous prime is 2135855892557. The next prime is 2135855892613. The reversal of 2135855892608 is 8062985585312.

It is a tau number, because it is divible by the number of its divisors (64).

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, 6031898 + ... + 6376166.

It is an arithmetic number, because the mean of its divisors is an integer number (70011607875).

Almost surely, 2^{2135855892608} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2135855892608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2240371452000).

2135855892608 is an abundant number, since it is smaller than the sum of its proper divisors (2344887011392).

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

2135855892608 is a wasteful number, since it uses less digits than its factorization.

2135855892608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346853 (or 346841 counting only the distinct ones).

The product of its (nonzero) digits is 41472000, while the sum is 62.

The spelling of 2135855892608 in words is "two trillion, one hundred thirty-five billion, eight hundred fifty-five million, eight hundred ninety-two thousand, six hundred eight".