13123255031542 has 16 divisors (see below), whose sum is σ = 21106649943360. Its totient is φ = 6097476647808.

The previous prime is 13123255031519. The next prime is 13123255031563. The reversal of 13123255031542 is 24513055232131.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2442896613 + ... + 2442901984.

It is an arithmetic number, because the mean of its divisors is an integer number (1319165621460).

Almost surely, 2^{13123255031542} is an apocalyptic number.

13123255031542 is a deficient number, since it is larger than the sum of its proper divisors (7983394911818).

13123255031542 is a wasteful number, since it uses less digits than its factorization.

13123255031542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4885798695.

The product of its (nonzero) digits is 108000, while the sum is 37.

The spelling of 13123255031542 in words is "thirteen trillion, one hundred twenty-three billion, two hundred fifty-five million, thirty-one thousand, five hundred forty-two".