201134504511531 has 6 divisors (see below), whose sum is σ = 290527617627780. Its totient is φ = 134089669674348.

The previous prime is 201134504511487. The next prime is 201134504511623. The reversal of 201134504511531 is 135115405431102.

201134504511531 is a `hidden beast` number, since 2 + 0 + 1 + 1 + 3 + 4 + 50 + 451 + 153 + 1 = 666.

201134504511531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 201134504511531 - 2⁷ = 201134504511403 is a prime.

It is a super-2 number, since 2×201134504511531² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (201134504511131) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11174139139521 + ... + 11174139139538.

It is an arithmetic number, because the mean of its divisors is an integer number (48421269604630).

Almost surely, 2^{201134504511531} is an apocalyptic number.

201134504511531 is a deficient number, since it is larger than the sum of its proper divisors (89393113116249).

201134504511531 is a wasteful number, since it uses less digits than its factorization.

201134504511531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22348278279065 (or 22348278279062 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 36.

Adding to 201134504511531 its reverse (135115405431102), we get a palindrome (336249909942633).

The spelling of 201134504511531 in words is "two hundred one trillion, one hundred thirty-four billion, five hundred four million, five hundred eleven thousand, five hundred thirty-one".