11500661061153 has 72 divisors (see below), whose sum is σ = 19135536694560. Its totient is φ = 6600046561920.

The previous prime is 11500661061151. The next prime is 11500661061251. The reversal of 11500661061153 is 35116016600511.

11500661061153 is a `hidden beast` number, since 11 + 500 + 66 + 10 + 61 + 15 + 3 = 666.

It is not a de Polignac number, because 11500661061153 - 2¹ = 11500661061151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11500661061151) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 74581750 + ... + 74735792.

It is an arithmetic number, because the mean of its divisors is an integer number (265771342980).

Almost surely, 2^{11500661061153} is an apocalyptic number.

It is an amenable number.

11500661061153 is a deficient number, since it is larger than the sum of its proper divisors (7634875633407).

11500661061153 is a wasteful number, since it uses less digits than its factorization.

11500661061153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156187 (or 156165 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 36.

Adding to 11500661061153 its reverse (35116016600511), we get a palindrome (46616677661664).

The spelling of 11500661061153 in words is "eleven trillion, five hundred billion, six hundred sixty-one million, sixty-one thousand, one hundred fifty-three".