201500561076 has 48 divisors (see below), whose sum is σ = 471676054080. Its totient is φ = 66951763200.

The previous prime is 201500561063. The next prime is 201500561099. The reversal of 201500561076 is 670165005102.

It is a super-2 number, since 2×201500561076² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4731510 + ... + 4773906.

It is an arithmetic number, because the mean of its divisors is an integer number (9826584460).

Almost surely, 2^201500561076 is an apocalyptic number.

It is an amenable number.

201500561076 is an abundant number, since it is smaller than the sum of its proper divisors (270175493004).

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

201500561076 is a wasteful number, since it uses less digits than its factorization.

201500561076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43664 (or 43662 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 33.

Adding to 201500561076 its reverse (670165005102), we get a palindrome (871665566178).

The spelling of 201500561076 in words is "two hundred one billion, five hundred million, five hundred sixty-one thousand, seventy-six".