11453557645 has 8 divisors (see below), whose sum is σ = 14552755704. Its totient is φ = 8623855104.

The previous prime is 11453557639. The next prime is 11453557657. The reversal of 11453557645 is 54675535411.

It can be written as a sum of positive squares in 4 ways, for example, as 3556213956 + 7897343689 = 59634^2 + 88867^2 .

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 11453557645 - 2¹⁵ = 11453524877 is a prime.

It is a super-3 number, since 3×11453557645³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11453557595 and 11453557604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67373784 + ... + 67373953.

It is an arithmetic number, because the mean of its divisors is an integer number (1819094463).

Almost surely, 2^11453557645 is an apocalyptic number.

It is an amenable number.

11453557645 is a deficient number, since it is larger than the sum of its proper divisors (3099198059).

11453557645 is a wasteful number, since it uses less digits than its factorization.

11453557645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134747759.

The product of its digits is 1260000, while the sum is 46.

The spelling of 11453557645 in words is "eleven billion, four hundred fifty-three million, five hundred fifty-seven thousand, six hundred forty-five".