133501303511 has 4 divisors (see below), whose sum is σ = 136605985032. Its totient is φ = 130396621992.

The previous prime is 133501303489. The next prime is 133501303513. The reversal of 133501303511 is 115303105331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 115303105331 = 983 ⋅117297157.

It is a cyclic number.

It is not a de Polignac number, because 133501303511 - 2³⁰ = 132427561687 is a prime.

It is a super-2 number, since 2×133501303511² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133501303513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1552340696 + ... + 1552340781.

It is an arithmetic number, because the mean of its divisors is an integer number (34151496258).

Almost surely, 2^133501303511 is an apocalyptic number.

133501303511 is a deficient number, since it is larger than the sum of its proper divisors (3104681521).

133501303511 is an equidigital number, since it uses as much as digits as its factorization.

133501303511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3104681520.

The product of its (nonzero) digits is 2025, while the sum is 26.

Adding to 133501303511 its reverse (115303105331), we get a palindrome (248804408842).

The spelling of 133501303511 in words is "one hundred thirty-three billion, five hundred one million, three hundred three thousand, five hundred eleven".