253630511236 has 24 divisors (see below), whose sum is σ = 468731519424. Its totient is φ = 119840080800.

The previous prime is 253630511227. The next prime is 253630511237. The reversal of 253630511236 is 632115036352.

It is a junction number, because it is equal to n+sod(n) for n = 253630511195 and 253630511204.

It is not an unprimeable number, because it can be changed into a prime (253630511237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16599915 + ... + 16615186.

It is an arithmetic number, because the mean of its divisors is an integer number (19530479976).

Almost surely, 2^253630511236 is an apocalyptic number.

It is an amenable number.

253630511236 is a deficient number, since it is larger than the sum of its proper divisors (215101008188).

253630511236 is a wasteful number, since it uses less digits than its factorization.

253630511236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33215211 (or 33215209 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 37.

Adding to 253630511236 its reverse (632115036352), we get a palindrome (885745547588).

The spelling of 253630511236 in words is "two hundred fifty-three billion, six hundred thirty million, five hundred eleven thousand, two hundred thirty-six".