1105204521040 has 40 divisors (see below), whose sum is σ = 2681322277248. Its totient is φ = 422860859520.

The previous prime is 1105204520993. The next prime is 1105204521059. The reversal of 1105204521040 is 401254025011.

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

It is a junction number, because it is equal to n+sod(n) for n = 1105204520996 and 1105204521014.

It is a congruent number.

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, 300325476 + ... + 300329155.

Almost surely, 2^{1105204521040} is an apocalyptic number.

1105204521040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1105204521040 is an abundant number, since it is smaller than the sum of its proper divisors (1576117756208).

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

1105204521040 is a wasteful number, since it uses less digits than its factorization.

1105204521040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600654667 (or 600654661 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

Adding to 1105204521040 its reverse (401254025011), we get a palindrome (1506458546051).

The spelling of 1105204521040 in words is "one trillion, one hundred five billion, two hundred four million, five hundred twenty-one thousand, forty".