15255411434213 has 8 divisors (see below), whose sum is σ = 16242030506520. Its totient is φ = 14278708131840.

The previous prime is 15255411434209. The next prime is 15255411434279. The reversal of 15255411434213 is 31243411455251.

It can be written as a sum of positive squares in 4 ways, for example, as 718829274244 + 14536582159969 = 847838^2 + 3812687^2 .

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 15255411434213 - 2² = 15255411434209 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15255411434203) 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, 2478939308 + ... + 2478945461.

It is an arithmetic number, because the mean of its divisors is an integer number (2030253813315).

Almost surely, 2^{15255411434213} is an apocalyptic number.

It is an amenable number.

15255411434213 is a deficient number, since it is larger than the sum of its proper divisors (986619072307).

15255411434213 is a wasteful number, since it uses less digits than its factorization.

15255411434213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4957884967.

The product of its digits is 288000, while the sum is 41.

Adding to 15255411434213 its reverse (31243411455251), we get a palindrome (46498822889464).

The spelling of 15255411434213 in words is "fifteen trillion, two hundred fifty-five billion, four hundred eleven million, four hundred thirty-four thousand, two hundred thirteen".