27503323159900 has 144 divisors (see below), whose sum is σ = 70431859628032. Its totient is φ = 9122499936000.

The previous prime is 27503323159849. The next prime is 27503323159903. The reversal of 27503323159900 is 995132330572.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27503323159903) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 65694235 + ... + 66111565.

Almost surely, 2^{27503323159900} is an apocalyptic number.

27503323159900 is a gapful number since it is divisible by the number (20) 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 27503323159900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35215929814016).

27503323159900 is an abundant number, since it is smaller than the sum of its proper divisors (42928536468132).

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

27503323159900 is a wasteful number, since it uses less digits than its factorization.

27503323159900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420420 (or 420413 counting only the distinct ones).

The product of its (nonzero) digits is 1530900, while the sum is 49.

The spelling of 27503323159900 in words is "twenty-seven trillion, five hundred three billion, three hundred twenty-three million, one hundred fifty-nine thousand, nine hundred".