1285515227058 has 16 divisors (see below), whose sum is σ = 2571133730880. Its totient is φ = 428487862896.

The previous prime is 1285515227057. The next prime is 1285515227071. The reversal of 1285515227058 is 8507225155821.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1285515227058.

It is not an unprimeable number, because it can be changed into a prime (1285515227057) 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, 4140913 + ... + 4440516.

It is an arithmetic number, because the mean of its divisors is an integer number (160695858180).

Almost surely, 2^{1285515227058} is an apocalyptic number.

1285515227058 is an abundant number, since it is smaller than the sum of its proper divisors (1285618503822).

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

1285515227058 is a wasteful number, since it uses less digits than its factorization.

1285515227058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8606401.

The product of its (nonzero) digits is 2240000, while the sum is 51.

The spelling of 1285515227058 in words is "one trillion, two hundred eighty-five billion, five hundred fifteen million, two hundred twenty-seven thousand, fifty-eight".