2251345104552 has 96 divisors (see below), whose sum is σ = 5978022588000. Its totient is φ = 706422307968.

The previous prime is 2251345104551. The next prime is 2251345104559. The reversal of 2251345104552 is 2554015431522.

It is a super-2 number, since 2×2251345104552² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2251345104552.

It is not an unprimeable number, because it can be changed into a prime (2251345104551) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 532699 + ... + 2187797.

It is an arithmetic number, because the mean of its divisors is an integer number (62271068625).

Almost surely, 2^{2251345104552} 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 2251345104552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2989011294000).

2251345104552 is an abundant number, since it is smaller than the sum of its proper divisors (3726677483448).

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

2251345104552 is a wasteful number, since it uses less digits than its factorization.

2251345104552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1655303 (or 1655280 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 39.

The spelling of 2251345104552 in words is "two trillion, two hundred fifty-one billion, three hundred forty-five million, one hundred four thousand, five hundred fifty-two".