1260250055450 has 12 divisors (see below), whose sum is σ = 2344065103230. Its totient is φ = 504100022160.

The previous prime is 1260250055423. The next prime is 1260250055473. The reversal of 1260250055450 is 545500520621.

It can be written as a sum of positive squares in 3 ways, for example, as 677511718321 + 582738337129 = 823111^2 + 763373^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1260250055450.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12602500505 + ... + 12602500604.

Almost surely, 2^{1260250055450} is an apocalyptic number.

1260250055450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1260250055450 is a deficient number, since it is larger than the sum of its proper divisors (1083815047780).

1260250055450 is a wasteful number, since it uses less digits than its factorization.

1260250055450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25205001121 (or 25205001116 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 35.

The spelling of 1260250055450 in words is "one trillion, two hundred sixty billion, two hundred fifty million, fifty-five thousand, four hundred fifty".