1042867561245 has 16 divisors (see below), whose sum is σ = 1683896248320. Its totient is φ = 551093315904.

The previous prime is 1042867561189. The next prime is 1042867561259. The reversal of 1042867561245 is 5421657682401.

1042867561245 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1042867561245 - 2¹⁰ = 1042867560221 is a prime.

It is a congruent number.

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, 318918109 + ... + 318921378.

It is an arithmetic number, because the mean of its divisors is an integer number (105243515520).

Almost surely, 2^{1042867561245} is an apocalyptic number.

1042867561245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1042867561245 is a deficient number, since it is larger than the sum of its proper divisors (641028687075).

1042867561245 is a wasteful number, since it uses less digits than its factorization.

1042867561245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 637839604.

The product of its (nonzero) digits is 3225600, while the sum is 51.

The spelling of 1042867561245 in words is "one trillion, forty-two billion, eight hundred sixty-seven million, five hundred sixty-one thousand, two hundred forty-five".