1103898378240 has 1536 divisors, whose sum is σ = 4822855914240. Its totient is φ = 236458082304.

The previous prime is 1103898378229. The next prime is 1103898378241. The reversal of 1103898378240 is 428738983011.

It is a happy number.

1103898378240 is a `hidden beast` number, since 1 + 10 + 389 + 8 + 3 + 7 + 8 + 240 = 666.

It is a tau number, because it is divible by the number of its divisors (1536).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103898378241) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4737761164 + ... + 4737761396.

Almost surely, 2^{1103898378240} is an apocalyptic number.

1103898378240 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 1103898378240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2411427957120).

1103898378240 is an abundant number, since it is smaller than the sum of its proper divisors (3718957536000).

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

1103898378240 is an frugal number, since it uses more digits than its factorization.

1103898378240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307 (or 267 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 54.

The spelling of 1103898378240 in words is "one trillion, one hundred three billion, eight hundred ninety-eight million, three hundred seventy-eight thousand, two hundred forty".