201001266591532 has 144 divisors (see below), whose sum is σ = 400644409037824. Its totient is φ = 88099890278400.

The previous prime is 201001266591509. The next prime is 201001266591571. The reversal of 201001266591532 is 235195662100102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2130986932 + ... + 2131081252.

Almost surely, 2^{201001266591532} is an apocalyptic number.

201001266591532 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

201001266591532 is a deficient number, since it is larger than the sum of its proper divisors (199643142446292).

201001266591532 is a wasteful number, since it uses less digits than its factorization.

201001266591532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95448 (or 95435 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 43.

The spelling of 201001266591532 in words is "two hundred one trillion, one billion, two hundred sixty-six million, five hundred ninety-one thousand, five hundred thirty-two".