1252055105450 has 24 divisors (see below), whose sum is σ = 2361622819680. Its totient is φ = 493768209200.

The previous prime is 1252055105443. The next prime is 1252055105467. The reversal of 1252055105450 is 545015502521.

It is a self number, because there is not a number n which added to its sum of digits gives 1252055105450.

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, 176342240 + ... + 176349339.

It is an arithmetic number, because the mean of its divisors is an integer number (98400950820).

Almost surely, 2^{1252055105450} is an apocalyptic number.

1252055105450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1252055105450 is a deficient number, since it is larger than the sum of its proper divisors (1109567714230).

1252055105450 is a wasteful number, since it uses less digits than its factorization.

1252055105450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352691662 (or 352691657 counting only the distinct ones).

The product of its (nonzero) digits is 50000, while the sum is 35.

The spelling of 1252055105450 in words is "one trillion, two hundred fifty-two billion, fifty-five million, one hundred five thousand, four hundred fifty".