2551240424401 has 8 divisors (see below), whose sum is σ = 2557414579104. Its totient is φ = 2545070246880.

The previous prime is 2551240424351. The next prime is 2551240424429. The reversal of 2551240424401 is 1044240421552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2551240424401 - 2⁷ = 2551240424273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2551240424101) 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, 292206 + ... + 2277688.

It is an arithmetic number, because the mean of its divisors is an integer number (319676822388).

Almost surely, 2^{2551240424401} is an apocalyptic number.

It is an amenable number.

2551240424401 is a deficient number, since it is larger than the sum of its proper divisors (6174154703).

2551240424401 is a wasteful number, since it uses less digits than its factorization.

2551240424401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1988591.

The product of its (nonzero) digits is 51200, while the sum is 34.

Adding to 2551240424401 its reverse (1044240421552), we get a palindrome (3595480845953).

The spelling of 2551240424401 in words is "two trillion, five hundred fifty-one billion, two hundred forty million, four hundred twenty-four thousand, four hundred one".