12434513102155 has 4 divisors (see below), whose sum is σ = 14921415722592. Its totient is φ = 9947610481720.

The previous prime is 12434513102101. The next prime is 12434513102203. The reversal of 12434513102155 is 55120131543421.

12434513102155 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 12434513102155 - 2¹⁹ = 12434512577867 is a prime.

It is a super-2 number, since 2×12434513102155² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1243451310211 + ... + 1243451310220.

It is an arithmetic number, because the mean of its divisors is an integer number (3730353930648).

Almost surely, 2^{12434513102155} is an apocalyptic number.

12434513102155 is a deficient number, since it is larger than the sum of its proper divisors (2486902620437).

12434513102155 is an equidigital number, since it uses as much as digits as its factorization.

12434513102155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2486902620436.

The product of its (nonzero) digits is 72000, while the sum is 37.

Adding to 12434513102155 its reverse (55120131543421), we get a palindrome (67554644645576).

The spelling of 12434513102155 in words is "twelve trillion, four hundred thirty-four billion, five hundred thirteen million, one hundred two thousand, one hundred fifty-five".