11151355647 has 4 divisors (see below), whose sum is σ = 14868474200. Its totient is φ = 7434237096.

The previous prime is 11151355643. The next prime is 11151355669. The reversal of 11151355647 is 74655315111.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 11151355647 - 2² = 11151355643 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11151355643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1858559272 + ... + 1858559277.

It is an arithmetic number, because the mean of its divisors is an integer number (3717118550).

Almost surely, 2^11151355647 is an apocalyptic number.

11151355647 is a deficient number, since it is larger than the sum of its proper divisors (3717118553).

11151355647 is an equidigital number, since it uses as much as digits as its factorization.

11151355647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3717118552.

The product of its digits is 63000, while the sum is 39.

The spelling of 11151355647 in words is "eleven billion, one hundred fifty-one million, three hundred fifty-five thousand, six hundred forty-seven".