941852115981 has 160 divisors (see below), whose sum is σ = 1733582991360. Its totient is φ = 497588759424.

The previous prime is 941852115949. The next prime is 941852116021. The reversal of 941852115981 is 189511258149.

941852115981 is a `hidden beast` number, since 9 + 4 + 18 + 521 + 15 + 98 + 1 = 666.

It is not a de Polignac number, because 941852115981 - 2⁵ = 941852115949 is a prime.

It is a super-2 number, since 2×941852115981² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (941852110981) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 188858970 + ... + 188863956.

It is an arithmetic number, because the mean of its divisors is an integer number (10834893696).

Almost surely, 2^941852115981 is an apocalyptic number.

It is an amenable number.

941852115981 is a deficient number, since it is larger than the sum of its proper divisors (791730875379).

941852115981 is a wasteful number, since it uses less digits than its factorization.

941852115981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5445 (or 5436 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 54.

The spelling of 941852115981 in words is "nine hundred forty-one billion, eight hundred fifty-two million, one hundred fifteen thousand, nine hundred eighty-one".