10781633272 has 32 divisors (see below), whose sum is σ = 21186698400. Its totient is φ = 5133896064.

The previous prime is 10781633263. The next prime is 10781633287. The reversal of 10781633272 is 27233618701.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85803 + ... + 170074.

It is an arithmetic number, because the mean of its divisors is an integer number (662084325).

Almost surely, 2^10781633272 is an apocalyptic number.

It is an amenable number.

10781633272 is a deficient number, since it is larger than the sum of its proper divisors (10405065128).

10781633272 is a wasteful number, since it uses less digits than its factorization.

10781633272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256135 (or 256131 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 40.

The spelling of 10781633272 in words is "ten billion, seven hundred eighty-one million, six hundred thirty-three thousand, two hundred seventy-two".