1105555331442 has 16 divisors (see below), whose sum is σ = 2227017935520. Its totient is φ = 365867231712.

The previous prime is 1105555331437. The next prime is 1105555331443. The reversal of 1105555331442 is 2441335555011.

It is a self number, because there is not a number n which added to its sum of digits gives 1105555331442.

It is not an unprimeable number, because it can be changed into a prime (1105555331443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 662802123 + ... + 662803790.

It is an arithmetic number, because the mean of its divisors is an integer number (139188620970).

Almost surely, 2^{1105555331442} is an apocalyptic number.

1105555331442 is an abundant number, since it is smaller than the sum of its proper divisors (1121462604078).

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

1105555331442 is a wasteful number, since it uses less digits than its factorization.

1105555331442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1325606057.

The product of its (nonzero) digits is 180000, while the sum is 39.

The spelling of 1105555331442 in words is "one trillion, one hundred five billion, five hundred fifty-five million, three hundred thirty-one thousand, four hundred forty-two".