2551022231401 has 16 divisors (see below), whose sum is σ = 2991106281600. Its totient is φ = 2130507203328.

The previous prime is 2551022231399. The next prime is 2551022231467. The reversal of 2551022231401 is 1041322201552.

It is a happy number.

It is not a de Polignac number, because 2551022231401 - 2¹ = 2551022231399 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2551022231401.

It is not an unprimeable number, because it can be changed into a prime (2551022231491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27284346 + ... + 27377683.

It is an arithmetic number, because the mean of its divisors is an integer number (186944142600).

Almost surely, 2^{2551022231401} is an apocalyptic number.

It is an amenable number.

2551022231401 is a deficient number, since it is larger than the sum of its proper divisors (440084050199).

2551022231401 is a wasteful number, since it uses less digits than its factorization.

2551022231401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54662208.

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 2551022231401 its reverse (1041322201552), we get a palindrome (3592344432953).

The spelling of 2551022231401 in words is "two trillion, five hundred fifty-one billion, twenty-two million, two hundred thirty-one thousand, four hundred one".