1253503572136 has 32 divisors (see below), whose sum is σ = 2370078960480. Its totient is φ = 621504520000.

The previous prime is 1253503572071. The next prime is 1253503572149. The reversal of 1253503572136 is 6312753053521.

It is a junction number, because it is equal to n+sod(n) for n = 1253503572092 and 1253503572101.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 919195 + ... + 1830826.

It is an arithmetic number, because the mean of its divisors is an integer number (74064967515).

Almost surely, 2^{1253503572136} is an apocalyptic number.

It is an amenable number.

1253503572136 is a deficient number, since it is larger than the sum of its proper divisors (1116575388344).

1253503572136 is a wasteful number, since it uses less digits than its factorization.

1253503572136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2750505 (or 2750501 counting only the distinct ones).

The product of its (nonzero) digits is 567000, while the sum is 43.

The spelling of 1253503572136 in words is "one trillion, two hundred fifty-three billion, five hundred three million, five hundred seventy-two thousand, one hundred thirty-six".