13551603000 has 192 divisors, whose sum is σ = 45785282400. Its totient is φ = 3335654400.

The previous prime is 13551602993. The next prime is 13551603029. The reversal of 13551603000 is 30615531.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 493636 + ... + 520364.

Almost surely, 2^13551603000 is an apocalyptic number.

13551603000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13551603000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22892641200).

13551603000 is an abundant number, since it is smaller than the sum of its proper divisors (32233679400).

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

13551603000 is a wasteful number, since it uses less digits than its factorization.

13551603000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26779 (or 26752 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 24.

The spelling of 13551603000 in words is "thirteen billion, five hundred fifty-one million, six hundred three thousand".