10981240572 has 24 divisors (see below), whose sum is σ = 26506443600. Its totient is φ = 3534192256.

The previous prime is 10981240561. The next prime is 10981240573. The reversal of 10981240572 is 27504218901.

It is a self number, because there is not a number n which added to its sum of digits gives 10981240572.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10981240573) 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, 15777297 + ... + 15777992.

It is an arithmetic number, because the mean of its divisors is an integer number (1104435150).

Almost surely, 2^10981240572 is an apocalyptic number.

10981240572 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10981240572 is an abundant number, since it is smaller than the sum of its proper divisors (15525203028).

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

10981240572 is a wasteful number, since it uses less digits than its factorization.

10981240572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31555325 (or 31555323 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 39.

The spelling of 10981240572 in words is "ten billion, nine hundred eighty-one million, two hundred forty thousand, five hundred seventy-two".