123151424046511 has 16 divisors (see below), whose sum is σ = 140889466052608. Its totient is φ = 105449631883200.

The previous prime is 123151424046491. The next prime is 123151424046571. The reversal of 123151424046511 is 115640424151321.

It is a cyclic number.

It is not a de Polignac number, because 123151424046511 - 2⁵ = 123151424046479 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123151424046571) 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, 388598026 + ... + 388914808.

It is an arithmetic number, because the mean of its divisors is an integer number (8805591628288).

Almost surely, 2^{123151424046511} is an apocalyptic number.

123151424046511 is a deficient number, since it is larger than the sum of its proper divisors (17738042006097).

123151424046511 is an equidigital number, since it uses as much as digits as its factorization.

123151424046511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373822.

The product of its (nonzero) digits is 115200, while the sum is 40.

Adding to 123151424046511 its reverse (115640424151321), we get a palindrome (238791848197832).

The spelling of 123151424046511 in words is "one hundred twenty-three trillion, one hundred fifty-one billion, four hundred twenty-four million, forty-six thousand, five hundred eleven".