11452115540 has 24 divisors (see below), whose sum is σ = 24054303840. Its totient is φ = 4579920288.

The previous prime is 11452115533. The next prime is 11452115557. The reversal of 11452115540 is 4551125411.

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, 48299 + ... + 158861.

It is an arithmetic number, because the mean of its divisors is an integer number (1002262660).

Almost surely, 2^11452115540 is an apocalyptic number.

11452115540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11452115540 is an abundant number, since it is smaller than the sum of its proper divisors (12602188300).

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

11452115540 is a wasteful number, since it uses less digits than its factorization.

11452115540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115751 (or 115749 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 29.

The spelling of 11452115540 in words is "eleven billion, four hundred fifty-two million, one hundred fifteen thousand, five hundred forty".