1043531642625 has 32 divisors (see below), whose sum is σ = 1737669922560. Its totient is φ = 556154931200.

The previous prime is 1043531642623. The next prime is 1043531642653. The reversal of 1043531642625 is 5262461353401.

It is not a de Polignac number, because 1043531642625 - 2¹ = 1043531642623 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1043531642623) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 459117 + ... + 1515866.

It is an arithmetic number, because the mean of its divisors is an integer number (54302185080).

Almost surely, 2^{1043531642625} is an apocalyptic number.

1043531642625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1043531642625 is a deficient number, since it is larger than the sum of its proper divisors (694138279935).

1043531642625 is a wasteful number, since it uses less digits than its factorization.

1043531642625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1976410 (or 1976400 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 42.

The spelling of 1043531642625 in words is "one trillion, forty-three billion, five hundred thirty-one million, six hundred forty-two thousand, six hundred twenty-five".