11518134485 has 32 divisors (see below), whose sum is σ = 16480582272. Its totient is φ = 7617012480.

The previous prime is 11518134473. The next prime is 11518134493. The reversal of 11518134485 is 58443181511.

It is not a de Polignac number, because 11518134485 - 2¹⁶ = 11518068949 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 72314 + ... + 168123.

It is an arithmetic number, because the mean of its divisors is an integer number (515018196).

Almost surely, 2^11518134485 is an apocalyptic number.

It is an amenable number.

11518134485 is a deficient number, since it is larger than the sum of its proper divisors (4962447787).

11518134485 is a wasteful number, since it uses less digits than its factorization.

11518134485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240533.

The product of its digits is 76800, while the sum is 41.

The spelling of 11518134485 in words is "eleven billion, five hundred eighteen million, one hundred thirty-four thousand, four hundred eighty-five".