11054136412565 has 16 divisors (see below), whose sum is σ = 13338711750000. Its totient is φ = 8794147138560.

The previous prime is 11054136412531. The next prime is 11054136412601. The reversal of 11054136412565 is 56521463145011.

It can be written as a sum of positive squares in 8 ways, for example, as 3353505862564 + 7700630550001 = 1831258^2 + 2775001^2 .

It is not a de Polignac number, because 11054136412565 - 2²⁶ = 11054069303701 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28084907 + ... + 28475783.

It is an arithmetic number, because the mean of its divisors is an integer number (833669484375).

Almost surely, 2^{11054136412565} is an apocalyptic number.

It is an amenable number.

11054136412565 is a deficient number, since it is larger than the sum of its proper divisors (2284575337435).

11054136412565 is a wasteful number, since it uses less digits than its factorization.

11054136412565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422312.

The product of its (nonzero) digits is 432000, while the sum is 44.

Adding to 11054136412565 its reverse (56521463145011), we get a palindrome (67575599557576).

The spelling of 11054136412565 in words is "eleven trillion, fifty-four billion, one hundred thirty-six million, four hundred twelve thousand, five hundred sixty-five".