11013765540 has 48 divisors (see below), whose sum is σ = 30970937088. Its totient is φ = 2924395264.

The previous prime is 11013765527. The next prime is 11013765601. The reversal of 11013765540 is 4556731011.

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, 379932 + ... + 407891.

It is an arithmetic number, because the mean of its divisors is an integer number (645227856).

Almost surely, 2^11013765540 is an apocalyptic number.

11013765540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11013765540 is an abundant number, since it is smaller than the sum of its proper divisors (19957171548).

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

11013765540 is a wasteful number, since it uses less digits than its factorization.

11013765540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 788068 (or 788066 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 33.

The spelling of 11013765540 in words is "eleven billion, thirteen million, seven hundred sixty-five thousand, five hundred forty".