1103621345040 has 160 divisors (see below), whose sum is σ = 3517405693056. Its totient is φ = 286042337280.

The previous prime is 1103621344949. The next prime is 1103621345117. The reversal of 1103621345040 is 405431263011.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 1103621344989 and 1103621345007.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8397435 + ... + 8527845.

Almost surely, 2^{1103621345040} is an apocalyptic number.

1103621345040 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 1103621345040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1758702846528).

1103621345040 is an abundant number, since it is smaller than the sum of its proper divisors (2413784348016).

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

1103621345040 is a wasteful number, since it uses less digits than its factorization.

1103621345040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131417 (or 131411 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The spelling of 1103621345040 in words is "one trillion, one hundred three billion, six hundred twenty-one million, three hundred forty-five thousand, forty".