981018750911472 has 960 divisors, whose sum is σ = 3683175511680000. Its totient is φ = 247332706080768.

The previous prime is 981018750911453. The next prime is 981018750911497. The reversal of 981018750911472 is 274119057810189.

981018750911472 is a `hidden beast` number, since 9 + 8 + 1 + 0 + 1 + 8 + 7 + 509 + 114 + 7 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 10753319554 + ... + 10753410782.

It is an arithmetic number, because the mean of its divisors is an integer number (3836641158000).

Almost surely, 2^{981018750911472} is an apocalyptic number.

981018750911472 is a gapful number since it is divisible by the number (92) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 981018750911472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1841587755840000).

981018750911472 is an abundant number, since it is smaller than the sum of its proper divisors (2702156760768528).

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

981018750911472 is a wasteful number, since it uses less digits than its factorization.

981018750911472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92995 (or 92976 counting only the distinct ones).

The product of its (nonzero) digits is 10160640, while the sum is 63.

The spelling of 981018750911472 in words is "nine hundred eighty-one trillion, eighteen billion, seven hundred fifty million, nine hundred eleven thousand, four hundred seventy-two".