2112526451464 has 64 divisors (see below), whose sum is σ = 4656117312000. Its totient is φ = 885869982720.

The previous prime is 2112526451459. The next prime is 2112526451491. The reversal of 2112526451464 is 4641546252112.

It is a self number, because there is not a number n which added to its sum of digits gives 2112526451464.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1487392 + ... + 2537200.

It is an arithmetic number, because the mean of its divisors is an integer number (72751833000).

Almost surely, 2^{2112526451464} 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 2112526451464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2328058656000).

2112526451464 is an abundant number, since it is smaller than the sum of its proper divisors (2543590860536).

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

2112526451464 is a wasteful number, since it uses less digits than its factorization.

2112526451464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1051598 (or 1051594 counting only the distinct ones).

The product of its digits is 460800, while the sum is 43.

The spelling of 2112526451464 in words is "two trillion, one hundred twelve billion, five hundred twenty-six million, four hundred fifty-one thousand, four hundred sixty-four".