13551083540 has 24 divisors (see below), whose sum is σ = 28501559520. Its totient is φ = 5411998368.

The previous prime is 13551083527. The next prime is 13551083543. The reversal of 13551083540 is 4538015531.

It is a self number, because there is not a number n which added to its sum of digits gives 13551083540.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13551083543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 514010 + ... + 539729.

It is an arithmetic number, because the mean of its divisors is an integer number (1187564980).

Almost surely, 2^13551083540 is an apocalyptic number.

13551083540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13551083540 is an abundant number, since it is smaller than the sum of its proper divisors (14950475980).

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

13551083540 is a wasteful number, since it uses less digits than its factorization.

13551083540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1054391 (or 1054389 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 35.

The spelling of 13551083540 in words is "thirteen billion, five hundred fifty-one million, eighty-three thousand, five hundred forty".