11326155516 has 72 divisors (see below), whose sum is σ = 31057541424. Its totient is φ = 3459513600.

The previous prime is 11326155461. The next prime is 11326155517. The reversal of 11326155516 is 61555162311.

11326155516 is a `hidden beast` number, since 1 + 1 + 32 + 61 + 55 + 516 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11326155517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24210 + ... + 152441.

It is an arithmetic number, because the mean of its divisors is an integer number (431354742).

Almost surely, 2^11326155516 is an apocalyptic number.

It is an amenable number.

11326155516 is an abundant number, since it is smaller than the sum of its proper divisors (19731385908).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11326155516 is a wasteful number, since it uses less digits than its factorization.

11326155516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176811 (or 176806 counting only the distinct ones).

The product of its digits is 27000, while the sum is 36.

The spelling of 11326155516 in words is "eleven billion, three hundred twenty-six million, one hundred fifty-five thousand, five hundred sixteen".