253354215124 has 6 divisors (see below), whose sum is σ = 443369876474. Its totient is φ = 126677107560.

The previous prime is 253354215053. The next prime is 253354215133. The reversal of 253354215124 is 421512453352.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 131181596100 + 122172619024 = 362190^2 + 349532^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31669276887 + ... + 31669276894.

Almost surely, 2^253354215124 is an apocalyptic number.

It is an amenable number.

253354215124 is a deficient number, since it is larger than the sum of its proper divisors (190015661350).

253354215124 is a wasteful number, since it uses less digits than its factorization.

253354215124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63338553785 (or 63338553783 counting only the distinct ones).

The product of its digits is 144000, while the sum is 37.

Adding to 253354215124 its reverse (421512453352), we get a palindrome (674866668476).

The spelling of 253354215124 in words is "two hundred fifty-three billion, three hundred fifty-four million, two hundred fifteen thousand, one hundred twenty-four".