1125651265025 has 12 divisors (see below), whose sum is σ = 1595208650112. Its totient is φ = 771875153040.

The previous prime is 1125651265019. The next prime is 1125651265043. The reversal of 1125651265025 is 5205621565211.

It is not a de Polignac number, because 1125651265025 - 2⁴ = 1125651265009 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3216146297 + ... + 3216146646.

It is an arithmetic number, because the mean of its divisors is an integer number (132934054176).

Almost surely, 2^{1125651265025} is an apocalyptic number.

It is an amenable number.

1125651265025 is a deficient number, since it is larger than the sum of its proper divisors (469557385087).

1125651265025 is an equidigital number, since it uses as much as digits as its factorization.

1125651265025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6432292960 (or 6432292955 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 41.

The spelling of 1125651265025 in words is "one trillion, one hundred twenty-five billion, six hundred fifty-one million, two hundred sixty-five thousand, twenty-five".