1252763762500 has 36 divisors (see below), whose sum is σ = 2740245370884. Its totient is φ = 501105500000.

The previous prime is 1252763762447. The next prime is 1252763762501. The reversal of 1252763762500 is 52673672521.

It can be written as a sum of positive squares in 6 ways, for example, as 1209507250176 + 43256512324 = 1099776^2 + 207982^2 .

It is not an unprimeable number, because it can be changed into a prime (1252763762501) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50098051 + ... + 50123050.

It is an arithmetic number, because the mean of its divisors is an integer number (76117926969).

Almost surely, 2^{1252763762500} is an apocalyptic number.

1252763762500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1252763762500 is an abundant number, since it is smaller than the sum of its proper divisors (1487481608384).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1252763762500 is an equidigital number, since it uses as much as digits as its factorization.

1252763762500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100221130 (or 100221108 counting only the distinct ones).

The product of its (nonzero) digits is 1058400, while the sum is 46.

The spelling of 1252763762500 in words is "one trillion, two hundred fifty-two billion, seven hundred sixty-three million, seven hundred sixty-two thousand, five hundred".