11552501645 has 8 divisors (see below), whose sum is σ = 13868185056. Its totient is φ = 9238545936.

The previous prime is 11552501591. The next prime is 11552501677. The reversal of 11552501645 is 54610525511.

11552501645 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11552501645 - 2¹² = 11552497549 is a prime.

It is a super-3 number, since 3×11552501645³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 417167 + ... + 443996.

It is an arithmetic number, because the mean of its divisors is an integer number (1733523132).

Almost surely, 2^11552501645 is an apocalyptic number.

It is an amenable number.

11552501645 is a deficient number, since it is larger than the sum of its proper divisors (2315683411).

11552501645 is an equidigital number, since it uses as much as digits as its factorization.

11552501645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 863851.

The product of its (nonzero) digits is 30000, while the sum is 35.

The spelling of 11552501645 in words is "eleven billion, five hundred fifty-two million, five hundred one thousand, six hundred forty-five".