133511757071 has 12 divisors (see below), whose sum is σ = 167717249616. Its totient is φ = 104035134720.

The previous prime is 133511757059. The next prime is 133511757091. The reversal of 133511757071 is 170757115331.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-133511757071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133511757011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 78813650 + ... + 78815343.

It is an arithmetic number, because the mean of its divisors is an integer number (13976437468).

Almost surely, 2^133511757071 is an apocalyptic number.

133511757071 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

133511757071 is a deficient number, since it is larger than the sum of its proper divisors (34205492545).

133511757071 is a wasteful number, since it uses less digits than its factorization.

133511757071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157629022 (or 157629011 counting only the distinct ones).

The product of its (nonzero) digits is 77175, while the sum is 41.

The spelling of 133511757071 in words is "one hundred thirty-three billion, five hundred eleven million, seven hundred fifty-seven thousand, seventy-one".