201526122768 has 20 divisors (see below), whose sum is σ = 520609150608. Its totient is φ = 67175374240.

The previous prime is 201526122761. The next prime is 201526122781. The reversal of 201526122768 is 867221625102.

201526122768 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×201526122768² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (201526122761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2099230398 + ... + 2099230493.

Almost surely, 2^201526122768 is an apocalyptic number.

It is an amenable number.

201526122768 is an abundant number, since it is smaller than the sum of its proper divisors (319083027840).

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

201526122768 is a wasteful number, since it uses less digits than its factorization.

201526122768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4198460902 (or 4198460896 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 42.

The spelling of 201526122768 in words is "two hundred one billion, five hundred twenty-six million, one hundred twenty-two thousand, seven hundred sixty-eight".