251230411132 has 6 divisors (see below), whose sum is σ = 439653219488. Its totient is φ = 125615205564.

The previous prime is 251230411039. The next prime is 251230411139. The reversal of 251230411132 is 231114032152.

It is a junction number, because it is equal to n+sod(n) for n = 251230411097 and 251230411106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (251230411139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31403801388 + ... + 31403801395.

Almost surely, 2^251230411132 is an apocalyptic number.

It is an amenable number.

251230411132 is a deficient number, since it is larger than the sum of its proper divisors (188422808356).

251230411132 is a wasteful number, since it uses less digits than its factorization.

251230411132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62807602787 (or 62807602785 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 251230411132 its reverse (231114032152), we get a palindrome (482344443284).

The spelling of 251230411132 in words is "two hundred fifty-one billion, two hundred thirty million, four hundred eleven thousand, one hundred thirty-two".