103109353056 has 240 divisors, whose sum is σ = 308573795376. Its totient is φ = 33768244224.

The previous prime is 103109353051. The next prime is 103109353079. The reversal of 103109353056 is 650353901301.

103109353056 is a `hidden beast` number, since 1 + 0 + 31 + 0 + 93 + 530 + 5 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 103109353056.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103109353051) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 117570090 + ... + 117570966.

Almost surely, 2^103109353056 is an apocalyptic number.

103109353056 is a gapful number since it is divisible by the number (16) 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 103109353056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154286897688).

103109353056 is an abundant number, since it is smaller than the sum of its proper divisors (205464442320).

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

103109353056 is an equidigital number, since it uses as much as digits as its factorization.

103109353056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1643 (or 1626 counting only the distinct ones).

The product of its (nonzero) digits is 36450, while the sum is 36.

The spelling of 103109353056 in words is "one hundred three billion, one hundred nine million, three hundred fifty-three thousand, fifty-six".