9881200501 has 8 divisors (see below), whose sum is σ = 10150036664. Its totient is φ = 9612457920.

The previous prime is 9881200489. The next prime is 9881200541. The reversal of 9881200501 is 1050021889.

It can be written as a sum of positive squares in 4 ways, for example, as 3348358225 + 6532842276 = 57865^2 + 80826^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9881200501 - 2²¹ = 9879103349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9881200541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 226411 + ... + 266503.

It is an arithmetic number, because the mean of its divisors is an integer number (1268754583).

Almost surely, 2^9881200501 is an apocalyptic number.

It is an amenable number.

9881200501 is a deficient number, since it is larger than the sum of its proper divisors (268836163).

9881200501 is a wasteful number, since it uses less digits than its factorization.

9881200501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46791.

The product of its (nonzero) digits is 5760, while the sum is 34.

The square root of 9881200501 is about 99404.2277823232. The cubic root of 9881200501 is about 2145.8691551808.

The spelling of 9881200501 in words is "nine billion, eight hundred eighty-one million, two hundred thousand, five hundred one".