1275015152625 has 32 divisors (see below), whose sum is σ = 2122135751424. Its totient is φ = 679844448000.

The previous prime is 1275015152599. The next prime is 1275015152647. The reversal of 1275015152625 is 5262515105721.

It is not a de Polignac number, because 1275015152625 - 2¹⁸ = 1275014890481 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1159380 + ... + 1973370.

It is an arithmetic number, because the mean of its divisors is an integer number (66316742232).

Almost surely, 2^{1275015152625} is an apocalyptic number.

1275015152625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1275015152625 is a deficient number, since it is larger than the sum of its proper divisors (847120598799).

1275015152625 is an equidigital number, since it uses as much as digits as its factorization.

1275015152625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 818186 (or 818176 counting only the distinct ones).

The product of its (nonzero) digits is 210000, while the sum is 42.

The spelling of 1275015152625 in words is "one trillion, two hundred seventy-five billion, fifteen million, one hundred fifty-two thousand, six hundred twenty-five".