1105539921552 has 80 divisors (see below), whose sum is σ = 3116914790400. Its totient is φ = 334872067200.

The previous prime is 1105539921523. The next prime is 1105539921587. The reversal of 1105539921552 is 2551299355011.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 830277 + ... + 1703067.

It is an arithmetic number, because the mean of its divisors is an integer number (38961434880).

Almost surely, 2^{1105539921552} is an apocalyptic number.

1105539921552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1105539921552 is an abundant number, since it is smaller than the sum of its proper divisors (2011374868848).

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

1105539921552 is a wasteful number, since it uses less digits than its factorization.

1105539921552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 875212 (or 875206 counting only the distinct ones).

The product of its (nonzero) digits is 607500, while the sum is 48.

It can be divided in two parts, 1105539 and 921552, that added together give a triangular number (2027091 = T₂₀₁₃).

The spelling of 1105539921552 in words is "one trillion, one hundred five billion, five hundred thirty-nine million, nine hundred twenty-one thousand, five hundred fifty-two".