11534550421513 has 32 divisors (see below), whose sum is σ = 13529612943360. Its totient is φ = 9629255163840.

The previous prime is 11534550421469. The next prime is 11534550421573. The reversal of 11534550421513 is 31512405543511.

It is a cyclic number.

It is not a de Polignac number, because 11534550421513 - 2²¹ = 11534548324361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11534550421573) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33772506 + ... + 34112332.

It is an arithmetic number, because the mean of its divisors is an integer number (422800404480).

Almost surely, 2^{11534550421513} is an apocalyptic number.

It is an amenable number.

11534550421513 is a deficient number, since it is larger than the sum of its proper divisors (1995062521847).

11534550421513 is a wasteful number, since it uses less digits than its factorization.

11534550421513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340557.

The product of its (nonzero) digits is 180000, while the sum is 40.

The spelling of 11534550421513 in words is "eleven trillion, five hundred thirty-four billion, five hundred fifty million, four hundred twenty-one thousand, five hundred thirteen".