1085212894915 has 8 divisors (see below), whose sum is σ = 1302265364400. Its totient is φ = 868163722272.

The previous prime is 1085212894877. The next prime is 1085212894919. The reversal of 1085212894915 is 5194982125801.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1085212894915 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1085212894919) 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, 30564 + ... + 1473553.

It is an arithmetic number, because the mean of its divisors is an integer number (162783170550).

Almost surely, 2^{1085212894915} is an apocalyptic number.

1085212894915 is a deficient number, since it is larger than the sum of its proper divisors (217052469485).

1085212894915 is a wasteful number, since it uses less digits than its factorization.

1085212894915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1648421.

The product of its (nonzero) digits is 2073600, while the sum is 55.

The spelling of 1085212894915 in words is "one trillion, eighty-five billion, two hundred twelve million, eight hundred ninety-four thousand, nine hundred fifteen".