253232142511 has 4 divisors (see below), whose sum is σ = 268128150912. Its totient is φ = 238336134112.

The previous prime is 253232142497. The next prime is 253232142517. The reversal of 253232142511 is 115241232352.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 253232142511 - 2⁹ = 253232141999 is a prime.

It is a super-2 number, since 2×253232142511² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253232142517) 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, 7448004175 + ... + 7448004208.

It is an arithmetic number, because the mean of its divisors is an integer number (67032037728).

Almost surely, 2^253232142511 is an apocalyptic number.

253232142511 is a deficient number, since it is larger than the sum of its proper divisors (14896008401).

253232142511 is a wasteful number, since it uses less digits than its factorization.

253232142511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14896008400.

The product of its digits is 14400, while the sum is 31.

Adding to 253232142511 its reverse (115241232352), we get a palindrome (368473374863).

The spelling of 253232142511 in words is "two hundred fifty-three billion, two hundred thirty-two million, one hundred forty-two thousand, five hundred eleven".