2126154090008 has 192 divisors, whose sum is σ = 4450308894720. Its totient is φ = 951399820800.

The previous prime is 2126154090007. The next prime is 2126154090043. The reversal of 2126154090008 is 8000904516212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2126154090001) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5355551666 + ... + 5355552062.

It is an arithmetic number, because the mean of its divisors is an integer number (23178692160).

Almost surely, 2^{2126154090008} 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 2126154090008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2225154447360).

2126154090008 is an abundant number, since it is smaller than the sum of its proper divisors (2324154804712).

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

2126154090008 is a wasteful number, since it uses less digits than its factorization.

2126154090008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1058 (or 1041 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 38.

The spelling of 2126154090008 in words is "two trillion, one hundred twenty-six billion, one hundred fifty-four million, ninety thousand, eight".