133511217265 has 8 divisors (see below), whose sum is σ = 160307769600. Its totient is φ = 106746101232.

The previous prime is 133511217253. The next prime is 133511217317. The reversal of 133511217265 is 562712115331.

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 133511217265 - 2¹⁵ = 133511184497 is a prime.

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, 7849729 + ... + 7866718.

It is an arithmetic number, because the mean of its divisors is an integer number (20038471200).

Almost surely, 2^133511217265 is an apocalyptic number.

It is an amenable number.

133511217265 is a deficient number, since it is larger than the sum of its proper divisors (26796552335).

133511217265 is a wasteful number, since it uses less digits than its factorization.

133511217265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15718151.

The product of its digits is 37800, while the sum is 37.

The spelling of 133511217265 in words is "one hundred thirty-three billion, five hundred eleven million, two hundred seventeen thousand, two hundred sixty-five".