1285147957587 has 8 divisors (see below), whose sum is σ = 1845340657104. Its totient is φ = 790860281568.

The previous prime is 1285147957567. The next prime is 1285147957609. The reversal of 1285147957587 is 7857597415821.

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

It is not a de Polignac number, because 1285147957587 - 2⁷ = 1285147957459 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1285147957567) 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, 16476255828 + ... + 16476255905.

It is an arithmetic number, because the mean of its divisors is an integer number (230667582138).

Almost surely, 2^{1285147957587} is an apocalyptic number.

1285147957587 is a deficient number, since it is larger than the sum of its proper divisors (560192699517).

1285147957587 is a wasteful number, since it uses less digits than its factorization.

1285147957587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32952511749.

The product of its digits is 197568000, while the sum is 69.

The spelling of 1285147957587 in words is "one trillion, two hundred eighty-five billion, one hundred forty-seven million, nine hundred fifty-seven thousand, five hundred eighty-seven".