201532154504520 has 128 divisors (see below), whose sum is σ = 691408340582400. Its totient is φ = 46035095544576.

The previous prime is 201532154504497. The next prime is 201532154504537. The reversal of 201532154504520 is 25405451235102.

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, 75237400 + ... + 77869959.

It is an arithmetic number, because the mean of its divisors is an integer number (5401627660800).

Almost surely, 2^{201532154504520} is an apocalyptic number.

201532154504520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201532154504520 is an abundant number, since it is smaller than the sum of its proper divisors (489876186077880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201532154504520 is a wasteful number, since it uses less digits than its factorization.

201532154504520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153108947 (or 153108943 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 39.

The spelling of 201532154504520 in words is "two hundred one trillion, five hundred thirty-two billion, one hundred fifty-four million, five hundred four thousand, five hundred twenty".