1252777166876 has 24 divisors (see below), whose sum is σ = 2254788963840. Its totient is φ = 608599507392.

The previous prime is 1252777166873. The next prime is 1252777166881. The reversal of 1252777166876 is 6786617772521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252777166873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5864540 + ... + 6074403.

It is an arithmetic number, because the mean of its divisors is an integer number (93949540160).

Almost surely, 2^{1252777166876} is an apocalyptic number.

It is an amenable number.

1252777166876 is a deficient number, since it is larger than the sum of its proper divisors (1002011796964).

1252777166876 is a wasteful number, since it uses less digits than its factorization.

1252777166876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11939693 (or 11939691 counting only the distinct ones).

The product of its digits is 82978560, while the sum is 65.

The spelling of 1252777166876 in words is "one trillion, two hundred fifty-two billion, seven hundred seventy-seven million, one hundred sixty-six thousand, eight hundred seventy-six".