1005252405050 has 24 divisors (see below), whose sum is σ = 1872025002300. Its totient is φ = 401615902080.

The previous prime is 1005252405037. The next prime is 1005252405097. The reversal of 1005252405050 is 505042525001.

It can be written as a sum of positive squares in 6 ways, for example, as 505718677321 + 499533727729 = 711139^2 + 706777^2 .

It is a Curzon number.

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, 12084635 + ... + 12167534.

Almost surely, 2^{1005252405050} is an apocalyptic number.

1005252405050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1005252405050 is a deficient number, since it is larger than the sum of its proper divisors (866772597250).

1005252405050 is a wasteful number, since it uses less digits than its factorization.

1005252405050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24253010 (or 24253005 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 29.

The spelling of 1005252405050 in words is "one trillion, five billion, two hundred fifty-two million, four hundred five thousand, fifty".