11672576521 has 8 divisors (see below), whose sum is σ = 12190671360. Its totient is φ = 11155364352.

The previous prime is 11672576501. The next prime is 11672576543. The reversal of 11672576521 is 12567527611.

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 11672576521 - 2¹³ = 11672568329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11672576501) 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, 193561 + ... + 246598.

It is an arithmetic number, because the mean of its divisors is an integer number (1523833920).

Almost surely, 2^11672576521 is an apocalyptic number.

It is an amenable number.

11672576521 is a deficient number, since it is larger than the sum of its proper divisors (518094839).

11672576521 is a wasteful number, since it uses less digits than its factorization.

11672576521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441335.

The product of its digits is 176400, while the sum is 43.

The spelling of 11672576521 in words is "eleven billion, six hundred seventy-two million, five hundred seventy-six thousand, five hundred twenty-one".