11255501400513 has 4 divisors (see below), whose sum is σ = 15007335200688. Its totient is φ = 7503667600340.

The previous prime is 11255501400497. The next prime is 11255501400557. The reversal of 11255501400513 is 31500410555211.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11255501400513 - 2⁴ = 11255501400497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11255501400593) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1875916900083 + ... + 1875916900088.

It is an arithmetic number, because the mean of its divisors is an integer number (3751833800172).

Almost surely, 2^{11255501400513} is an apocalyptic number.

It is an amenable number.

11255501400513 is a deficient number, since it is larger than the sum of its proper divisors (3751833800175).

11255501400513 is an equidigital number, since it uses as much as digits as its factorization.

11255501400513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3751833800174.

The product of its (nonzero) digits is 15000, while the sum is 33.

Adding to 11255501400513 its reverse (31500410555211), we get a palindrome (42755911955724).

The spelling of 11255501400513 in words is "eleven trillion, two hundred fifty-five billion, five hundred one million, four hundred thousand, five hundred thirteen".