1252225501136 has 20 divisors (see below), whose sum is σ = 2427771663264. Its totient is φ = 625703781600.

The previous prime is 1252225501133. The next prime is 1252225501193. The reversal of 1252225501136 is 6311055222521.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1252225501096 and 1252225501105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252225501133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25535300 + ... + 25584291.

Almost surely, 2^{1252225501136} is an apocalyptic number.

1252225501136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1252225501136 is a deficient number, since it is larger than the sum of its proper divisors (1175546162128).

1252225501136 is a wasteful number, since it uses less digits than its factorization.

1252225501136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51121130 (or 51121124 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 35.

The spelling of 1252225501136 in words is "one trillion, two hundred fifty-two billion, two hundred twenty-five million, five hundred one thousand, one hundred thirty-six".