133501006815 has 32 divisors (see below), whose sum is σ = 233176444416. Its totient is φ = 64684287360.

The previous prime is 133501006799. The next prime is 133501006843. The reversal of 133501006815 is 518600105331.

133501006815 is digitally balanced in base 11, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 133501006815 - 2⁴ = 133501006799 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

133501006815 is strictly pandigital in base 11.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24619 + ... + 517308.

It is an arithmetic number, because the mean of its divisors is an integer number (7286763888).

Almost surely, 2^133501006815 is an apocalyptic number.

133501006815 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

133501006815 is a deficient number, since it is larger than the sum of its proper divisors (99675437601).

133501006815 is a wasteful number, since it uses less digits than its factorization.

133501006815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543439.

The product of its (nonzero) digits is 10800, while the sum is 33.

The spelling of 133501006815 in words is "one hundred thirty-three billion, five hundred one million, six thousand, eight hundred fifteen".