12455401137 has 4 divisors (see below), whose sum is σ = 16607201520. Its totient is φ = 8303600756.

The previous prime is 12455401129. The next prime is 12455401177. The reversal of 12455401137 is 73110455421.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12455401137 - 2³ = 12455401129 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12455401098 and 12455401107.

It is not an unprimeable number, because it can be changed into a prime (12455401177) 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, 2075900187 + ... + 2075900192.

It is an arithmetic number, because the mean of its divisors is an integer number (4151800380).

Almost surely, 2^12455401137 is an apocalyptic number.

It is an amenable number.

12455401137 is a deficient number, since it is larger than the sum of its proper divisors (4151800383).

12455401137 is an equidigital number, since it uses as much as digits as its factorization.

12455401137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4151800382.

The product of its (nonzero) digits is 16800, while the sum is 33.

Adding to 12455401137 its reverse (73110455421), we get a palindrome (85565856558).

The spelling of 12455401137 in words is "twelve billion, four hundred fifty-five million, four hundred one thousand, one hundred thirty-seven".