1005837772885 has 16 divisors (see below), whose sum is σ = 1318661000640. Its totient is φ = 730447315840.

The previous prime is 1005837772883. The next prime is 1005837772897. The reversal of 1005837772885 is 5882777385001.

It is not a de Polignac number, because 1005837772885 - 2¹ = 1005837772883 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1005837772883) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13350400 + ... + 13425529.

It is an arithmetic number, because the mean of its divisors is an integer number (82416312540).

Almost surely, 2^{1005837772885} is an apocalyptic number.

It is an amenable number.

1005837772885 is a deficient number, since it is larger than the sum of its proper divisors (312823227755).

1005837772885 is a wasteful number, since it uses less digits than its factorization.

1005837772885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26776628.

The product of its (nonzero) digits is 26342400, while the sum is 61.

The spelling of 1005837772885 in words is "one trillion, five billion, eight hundred thirty-seven million, seven hundred seventy-two thousand, eight hundred eighty-five".