2125529948616 has 256 divisors, whose sum is σ = 6128614172160. Its totient is φ = 610421391360.

The previous prime is 2125529948587. The next prime is 2125529948617. The reversal of 2125529948616 is 6168499255212.

It is a self number, because there is not a number n which added to its sum of digits gives 2125529948616.

It is not an unprimeable number, because it can be changed into a prime (2125529948617) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 21129510 + ... + 21229866.

It is an arithmetic number, because the mean of its divisors is an integer number (23939899110).

Almost surely, 2^{2125529948616} 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 2125529948616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3064307086080).

2125529948616 is an abundant number, since it is smaller than the sum of its proper divisors (4003084223544).

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

2125529948616 is a wasteful number, since it uses less digits than its factorization.

2125529948616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100504 (or 100500 counting only the distinct ones).

The product of its digits is 18662400, while the sum is 60.

The spelling of 2125529948616 in words is "two trillion, one hundred twenty-five billion, five hundred twenty-nine million, nine hundred forty-eight thousand, six hundred sixteen".