11553445577 has 8 divisors (see below), whose sum is σ = 12420278400. Its totient is φ = 10712488464.

The previous prime is 11553445559. The next prime is 11553445591. The reversal of 11553445577 is 77554435511.

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 11553445577 - 2¹² = 11553441481 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11553441577) 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, 6468002 + ... + 6469787.

It is an arithmetic number, because the mean of its divisors is an integer number (1552534800).

Almost surely, 2^11553445577 is an apocalyptic number.

It is an amenable number.

11553445577 is a deficient number, since it is larger than the sum of its proper divisors (866832823).

11553445577 is a wasteful number, since it uses less digits than its factorization.

11553445577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12937855.

The product of its digits is 1470000, while the sum is 47.

The spelling of 11553445577 in words is "eleven billion, five hundred fifty-three million, four hundred forty-five thousand, five hundred seventy-seven".