1275081653715 has 16 divisors (see below), whose sum is σ = 2040320630688. Its totient is φ = 679980220416.

The previous prime is 1275081653603. The next prime is 1275081653777. The reversal of 1275081653715 is 5173561805721.

It is not a de Polignac number, because 1275081653715 - 2⁹ = 1275081653203 is a prime.

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, 3791344 + ... + 4113933.

It is an arithmetic number, because the mean of its divisors is an integer number (127520039418).

Almost surely, 2^{1275081653715} is an apocalyptic number.

1275081653715 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1275081653715 is a deficient number, since it is larger than the sum of its proper divisors (765238976973).

1275081653715 is a wasteful number, since it uses less digits than its factorization.

1275081653715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7916038.

The product of its (nonzero) digits is 1764000, while the sum is 51.

The spelling of 1275081653715 in words is "one trillion, two hundred seventy-five billion, eighty-one million, six hundred fifty-three thousand, seven hundred fifteen".