2251302761140 has 12 divisors (see below), whose sum is σ = 4727735798436. Its totient is φ = 900521104448.

The previous prime is 2251302761137. The next prime is 2251302761167. The reversal of 2251302761140 is 411672031522.

It can be written as a sum of positive squares in 2 ways, for example, as 1677014640016 + 574288121124 = 1294996^2 + 757818^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2251302761096 and 2251302761105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56282569009 + ... + 56282569048.

It is an arithmetic number, because the mean of its divisors is an integer number (393977983203).

Almost surely, 2^{2251302761140} is an apocalyptic number.

2251302761140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2251302761140 is an abundant number, since it is smaller than the sum of its proper divisors (2476433037296).

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

2251302761140 is a wasteful number, since it uses less digits than its factorization.

2251302761140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112565138066 (or 112565138064 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

Adding to 2251302761140 its reverse (411672031522), we get a palindrome (2662974792662).

The spelling of 2251302761140 in words is "two trillion, two hundred fifty-one billion, three hundred two million, seven hundred sixty-one thousand, one hundred forty".