1105042765920 has 48 divisors (see below), whose sum is σ = 3480884714160. Its totient is φ = 294678070784.

The previous prime is 1105042765909. The next prime is 1105042765961. The reversal of 1105042765920 is 295672405011.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×1105042765920² (a number of 25 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

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, 1151085735 + ... + 1151086694.

It is an arithmetic number, because the mean of its divisors is an integer number (72518431545).

Almost surely, 2^{1105042765920} is an apocalyptic number.

1105042765920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1105042765920 is an abundant number, since it is smaller than the sum of its proper divisors (2375841948240).

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

1105042765920 is a wasteful number, since it uses less digits than its factorization.

1105042765920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2302172447 (or 2302172439 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 42.

The spelling of 1105042765920 in words is "one trillion, one hundred five billion, forty-two million, seven hundred sixty-five thousand, nine hundred twenty".