1275140252515 has 16 divisors (see below), whose sum is σ = 1598605346880. Its totient is φ = 975184067200.

The previous prime is 1275140252497. The next prime is 1275140252521. The reversal of 1275140252515 is 5152520415721.

It is not a de Polignac number, because 1275140252515 - 2¹¹ = 1275140250467 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, 43520359 + ... + 43549648.

It is an arithmetic number, because the mean of its divisors is an integer number (99912834180).

Almost surely, 2^{1275140252515} is an apocalyptic number.

1275140252515 is a deficient number, since it is larger than the sum of its proper divisors (323465094365).

1275140252515 is a wasteful number, since it uses less digits than its factorization.

1275140252515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87070142.

The product of its (nonzero) digits is 140000, while the sum is 40.

The spelling of 1275140252515 in words is "one trillion, two hundred seventy-five billion, one hundred forty million, two hundred fifty-two thousand, five hundred fifteen".