12465424155 has 32 divisors (see below), whose sum is σ = 20688155136. Its totient is φ = 6404638464.

The previous prime is 12465424151. The next prime is 12465424171. The reversal of 12465424155 is 55142456421.

It is not a de Polignac number, because 12465424155 - 2² = 12465424151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12465424151) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 85287 + ... + 179456.

It is an arithmetic number, because the mean of its divisors is an integer number (646504848).

Almost surely, 2^12465424155 is an apocalyptic number.

12465424155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12465424155 is a deficient number, since it is larger than the sum of its proper divisors (8222730981).

12465424155 is a wasteful number, since it uses less digits than its factorization.

12465424155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264867.

The product of its digits is 192000, while the sum is 39.

The spelling of 12465424155 in words is "twelve billion, four hundred sixty-five million, four hundred twenty-four thousand, one hundred fifty-five".