10911849520 has 320 divisors, whose sum is σ = 31461986304. Its totient is φ = 3463004160.

The previous prime is 10911849493. The next prime is 10911849523. The reversal of 10911849520 is 2594811901.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (10911849523) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 29732377 + ... + 29732743.

Almost surely, 2^10911849520 is an apocalyptic number.

10911849520 is a gapful number since it is divisible by the number (10) 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 10911849520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15730993152).

10911849520 is an abundant number, since it is smaller than the sum of its proper divisors (20550136784).

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

10911849520 is a wasteful number, since it uses less digits than its factorization.

10911849520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540 (or 534 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 40.

The spelling of 10911849520 in words is "ten billion, nine hundred eleven million, eight hundred forty-nine thousand, five hundred twenty".