11465200540 has 24 divisors (see below), whose sum is σ = 25123744800. Its totient is φ = 4386685248.

The previous prime is 11465200511. The next prime is 11465200561. The reversal of 11465200540 is 4500256411.

It is a junction number, because it is equal to n+sod(n) for n = 11465200499 and 11465200508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12461715 + ... + 12462634.

It is an arithmetic number, because the mean of its divisors is an integer number (1046822700).

Almost surely, 2^11465200540 is an apocalyptic number.

11465200540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11465200540 is an abundant number, since it is smaller than the sum of its proper divisors (13658544260).

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

11465200540 is a wasteful number, since it uses less digits than its factorization.

11465200540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24924381 (or 24924379 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 11465200540 its reverse (4500256411), we get a palindrome (15965456951).

The spelling of 11465200540 in words is "eleven billion, four hundred sixty-five million, two hundred thousand, five hundred forty".