981106029772 has 48 divisors (see below), whose sum is σ = 1932517440000. Its totient is φ = 432004397760.

The previous prime is 981106029733. The next prime is 981106029791. The reversal of 981106029772 is 277920601189.

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 15 ways as a sum of consecutive naturals, for example, 2478522 + ... + 2846977.

It is an arithmetic number, because the mean of its divisors is an integer number (40260780000).

Almost surely, 2^981106029772 is an apocalyptic number.

It is an amenable number.

981106029772 is a deficient number, since it is larger than the sum of its proper divisors (951411410228).

981106029772 is a wasteful number, since it uses less digits than its factorization.

981106029772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5325646 (or 5325644 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 52.

The spelling of 981106029772 in words is "nine hundred eighty-one billion, one hundred six million, twenty-nine thousand, seven hundred seventy-two".