11153404215 has 32 divisors (see below), whose sum is σ = 19839787200. Its totient is φ = 5945028480.

The previous prime is 11153404193. The next prime is 11153404219. The reversal of 11153404215 is 51240435111.

11153404215 is a `hidden beast` number, since 111 + 534 + 0 + 4 + 2 + 15 = 666.

It is not a de Polignac number, because 11153404215 - 2¹⁵ = 11153371447 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11153404219) 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, 218425 + ... + 264605.

It is an arithmetic number, because the mean of its divisors is an integer number (619993350).

Almost surely, 2^11153404215 is an apocalyptic number.

11153404215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11153404215 is a deficient number, since it is larger than the sum of its proper divisors (8686382985).

11153404215 is a wasteful number, since it uses less digits than its factorization.

11153404215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47984 (or 47978 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

Adding to 11153404215 its reverse (51240435111), we get a palindrome (62393839326).

The spelling of 11153404215 in words is "eleven billion, one hundred fifty-three million, four hundred four thousand, two hundred fifteen".