25455145430513 has 16 divisors (see below), whose sum is σ = 26439436320000. Its totient is φ = 24488786455056.

The previous prime is 25455145430489. The next prime is 25455145430537. The reversal of 25455145430513 is 31503454155452.

It is an interprime number because it is at equal distance from previous prime (25455145430489) and next prime (25455145430537).

It is a cyclic number.

It is not a de Polignac number, because 25455145430513 - 2²⁸ = 25454876995057 is a prime.

It is a super-2 number, since 2×25455145430513² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25455145400513) 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, 21015506 + ... + 22193732.

It is an arithmetic number, because the mean of its divisors is an integer number (1652464770000).

Almost surely, 2^{25455145430513} is an apocalyptic number.

It is an amenable number.

25455145430513 is a deficient number, since it is larger than the sum of its proper divisors (984290889487).

25455145430513 is a wasteful number, since it uses less digits than its factorization.

25455145430513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1185836.

The product of its (nonzero) digits is 3600000, while the sum is 47.

Adding to 25455145430513 its reverse (31503454155452), we get a palindrome (56958599585965).

The spelling of 25455145430513 in words is "twenty-five trillion, four hundred fifty-five billion, one hundred forty-five million, four hundred thirty thousand, five hundred thirteen".