11054915540 has 24 divisors (see below), whose sum is σ = 24437182560. Its totient is φ = 4189231008.

The previous prime is 11054915539. The next prime is 11054915551. The reversal of 11054915540 is 4551945011.

It is a super-2 number, since 2×11054915540² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11054915540.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14545562 + ... + 14546321.

It is an arithmetic number, because the mean of its divisors is an integer number (1018215940).

Almost surely, 2^11054915540 is an apocalyptic number.

11054915540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11054915540 is an abundant number, since it is smaller than the sum of its proper divisors (13382267020).

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

11054915540 is a wasteful number, since it uses less digits than its factorization.

11054915540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29091911 (or 29091909 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 35.

The spelling of 11054915540 in words is "eleven billion, fifty-four million, nine hundred fifteen thousand, five hundred forty".