11019576840 has 64 divisors (see below), whose sum is σ = 33241440960. Its totient is φ = 2922312960.

The previous prime is 11019576839. The next prime is 11019576859. The reversal of 11019576840 is 4867591011.

It is a junction number, because it is equal to n+sod(n) for n = 11019576792 and 11019576801.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 231954 + ... + 275393.

It is an arithmetic number, because the mean of its divisors is an integer number (519397515).

Almost surely, 2^11019576840 is an apocalyptic number.

11019576840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11019576840 is an abundant number, since it is smaller than the sum of its proper divisors (22221864120).

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

11019576840 is a wasteful number, since it uses less digits than its factorization.

11019576840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507542 (or 507538 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 42.

The spelling of 11019576840 in words is "eleven billion, nineteen million, five hundred seventy-six thousand, eight hundred forty".