1271144032485 has 16 divisors (see below), whose sum is σ = 2034359223936. Its totient is φ = 677767226688.

The previous prime is 1271144032453. The next prime is 1271144032493. The reversal of 1271144032485 is 5842304411721.

It is not a de Polignac number, because 1271144032485 - 2⁵ = 1271144032453 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, 10956454 + ... + 11071863.

It is an arithmetic number, because the mean of its divisors is an integer number (127147451496).

Almost surely, 2^{1271144032485} is an apocalyptic number.

1271144032485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1271144032485 is a deficient number, since it is larger than the sum of its proper divisors (763215191451).

1271144032485 is a wasteful number, since it uses less digits than its factorization.

1271144032485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22032172.

The product of its (nonzero) digits is 215040, while the sum is 42.

The spelling of 1271144032485 in words is "one trillion, two hundred seventy-one billion, one hundred forty-four million, thirty-two thousand, four hundred eighty-five".