11141655521 has 8 divisors (see below), whose sum is σ = 11442686400. Its totient is φ = 10844364400.

The previous prime is 11141655391. The next prime is 11141655527. The reversal of 11141655521 is 12555614111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11141655521 - 2²² = 11137461217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11141655527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 928901 + ... + 940818.

It is an arithmetic number, because the mean of its divisors is an integer number (1430335800).

Almost surely, 2^11141655521 is an apocalyptic number.

It is an amenable number.

11141655521 is a deficient number, since it is larger than the sum of its proper divisors (301030879).

11141655521 is a wasteful number, since it uses less digits than its factorization.

11141655521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1869879.

The product of its digits is 6000, while the sum is 32.

The spelling of 11141655521 in words is "eleven billion, one hundred forty-one million, six hundred fifty-five thousand, five hundred twenty-one".