2551001104 has 40 divisors (see below), whose sum is σ = 5212652480. Its totient is φ = 1206057600.

The previous prime is 2551001071. The next prime is 2551001107. The reversal of 2551001104 is 4011001552.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (2551001107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156709 + ... + 172219.

It is an arithmetic number, because the mean of its divisors is an integer number (130316312).

Almost surely, 2^2551001104 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 2551001104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2606326240).

2551001104 is an abundant number, since it is smaller than the sum of its proper divisors (2661651376).

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

2551001104 is a wasteful number, since it uses less digits than its factorization.

2551001104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16079 (or 16073 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 2551001104 is about 50507.4361257825. The cubic root of 2551001104 is about 1366.3759696873.

Adding to 2551001104 its reverse (4011001552), we get a palindrome (6562002656).

The spelling of 2551001104 in words is "two billion, five hundred fifty-one million, one thousand, one hundred four".