1103312401040 has 40 divisors (see below), whose sum is σ = 2597672250240. Its totient is φ = 435738566016.

The previous prime is 1103312401019. The next prime is 1103312401069. The reversal of 1103312401040 is 401042133011.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87281054 + ... + 87293693.

It is an arithmetic number, because the mean of its divisors is an integer number (64941806256).

Almost surely, 2^{1103312401040} is an apocalyptic number.

1103312401040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1103312401040 is an abundant number, since it is smaller than the sum of its proper divisors (1494359849200).

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

1103312401040 is a wasteful number, since it uses less digits than its factorization.

1103312401040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174574839 (or 174574833 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1103312401040 its reverse (401042133011), we get a palindrome (1504354534051).

The spelling of 1103312401040 in words is "one trillion, one hundred three billion, three hundred twelve million, four hundred one thousand, forty".