12511045641511 has 8 divisors (see below), whose sum is σ = 12816266450400. Its totient is φ = 12205828325760.

The previous prime is 12511045641509. The next prime is 12511045641533. The reversal of 12511045641511 is 11514654011521.

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 12511045641511 - 2¹ = 12511045641509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12511045644511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7298875 + ... + 8848483.

It is an arithmetic number, because the mean of its divisors is an integer number (1602033306300).

Almost surely, 2^{12511045641511} is an apocalyptic number.

12511045641511 is a deficient number, since it is larger than the sum of its proper divisors (305220808889).

12511045641511 is a wasteful number, since it uses less digits than its factorization.

12511045641511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1746569.

The product of its (nonzero) digits is 24000, while the sum is 37.

The spelling of 12511045641511 in words is "twelve trillion, five hundred eleven billion, forty-five million, six hundred forty-one thousand, five hundred eleven".