11085155415 has 24 divisors (see below), whose sum is σ = 19733576928. Its totient is φ = 5752296000.

The previous prime is 11085155413. The next prime is 11085155453. The reversal of 11085155415 is 51455158011.

11085155415 is a `hidden beast` number, since 1 + 10 + 85 + 1 + 554 + 15 = 666.

It is not a de Polignac number, because 11085155415 - 2¹ = 11085155413 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11085155415.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11085155413) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3327211 + ... + 3330540.

It is an arithmetic number, because the mean of its divisors is an integer number (822232372).

Almost surely, 2^11085155415 is an apocalyptic number.

11085155415 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11085155415 is a deficient number, since it is larger than the sum of its proper divisors (8648421513).

11085155415 is a wasteful number, since it uses less digits than its factorization.

11085155415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6657799 (or 6657796 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 36.

The spelling of 11085155415 in words is "eleven billion, eighty-five million, one hundred fifty-five thousand, four hundred fifteen".