1252537629280 has 96 divisors (see below), whose sum is σ = 3559843848960. Its totient is φ = 406839283200.

The previous prime is 1252537629247. The next prime is 1252537629281. The reversal of 1252537629280 is 829267352521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252537629281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29408646 + ... + 29451205.

It is an arithmetic number, because the mean of its divisors is an integer number (37081706760).

Almost surely, 2^{1252537629280} is an apocalyptic number.

1252537629280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1252537629280 is an abundant number, since it is smaller than the sum of its proper divisors (2307306219680).

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

1252537629280 is a wasteful number, since it uses less digits than its factorization.

1252537629280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58859892 (or 58859884 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 52.

The spelling of 1252537629280 in words is "one trillion, two hundred fifty-two billion, five hundred thirty-seven million, six hundred twenty-nine thousand, two hundred eighty".