1431123253625 has 16 divisors (see below), whose sum is σ = 1923429655056. Its totient is φ = 1056829478400.

The previous prime is 1431123253621. The next prime is 1431123253627. The reversal of 1431123253625 is 5263523211341.

It can be written as a sum of positive squares in 8 ways, for example, as 241564386064 + 1189558867561 = 491492^2 + 1090669^2 .

It is not a de Polignac number, because 1431123253625 - 2² = 1431123253621 is a prime.

It is a super-2 number, since 2×1431123253625² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1431123253621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 440343992 + ... + 440347241.

It is an arithmetic number, because the mean of its divisors is an integer number (120214353441).

Almost surely, 2^{1431123253625} is an apocalyptic number.

It is an amenable number.

1431123253625 is a deficient number, since it is larger than the sum of its proper divisors (492306401431).

1431123253625 is an equidigital number, since it uses as much as digits as its factorization.

1431123253625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 880691261 (or 880691251 counting only the distinct ones).

The product of its digits is 129600, while the sum is 38.

Adding to 1431123253625 its reverse (5263523211341), we get a palindrome (6694646464966).

The spelling of 1431123253625 in words is "one trillion, four hundred thirty-one billion, one hundred twenty-three million, two hundred fifty-three thousand, six hundred twenty-five".