1275051429025 has 24 divisors (see below), whose sum is σ = 1729496697984. Its totient is φ = 924783326400.

The previous prime is 1275051429017. The next prime is 1275051429103. The reversal of 1275051429025 is 5209241505721.

It is not a de Polignac number, because 1275051429025 - 2³ = 1275051429017 is a prime.

It is a super-2 number, since 2×1275051429025² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6215902 + ... + 6417751.

It is an arithmetic number, because the mean of its divisors is an integer number (72062362416).

Almost surely, 2^{1275051429025} is an apocalyptic number.

It is an amenable number.

1275051429025 is a deficient number, since it is larger than the sum of its proper divisors (454445268959).

1275051429025 is a wasteful number, since it uses less digits than its factorization.

1275051429025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12634041 (or 12634036 counting only the distinct ones).

The product of its (nonzero) digits is 252000, while the sum is 43.

The spelling of 1275051429025 in words is "one trillion, two hundred seventy-five billion, fifty-one million, four hundred twenty-nine thousand, twenty-five".