245875578551 has 2 divisors, whose sum is σ = 245875578552. Its totient is φ = 245875578550.

The previous prime is 245875578541. The next prime is 245875578589. The reversal of 245875578551 is 155875578542.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 245875578551 - 2¹⁰ = 245875577527 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245875578541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122937789275 + 122937789276.

It is an arithmetic number, because the mean of its divisors is an integer number (122937789276).

Almost surely, 2^245875578551 is an apocalyptic number.

245875578551 is a deficient number, since it is larger than the sum of its proper divisors (1).

245875578551 is an equidigital number, since it uses as much as digits as its factorization.

245875578551 is an evil number, because the sum of its binary digits is even.

The product of its digits is 78400000, while the sum is 62.

Subtracting from 245875578551 its reverse (155875578542), we obtain a palindrome (90000000009).

The spelling of 245875578551 in words is "two hundred forty-five billion, eight hundred seventy-five million, five hundred seventy-eight thousand, five hundred fifty-one".