12351142451535 has 32 divisors (see below), whose sum is σ = 20677226158080. Its totient is φ = 6283704016128.

The previous prime is 12351142451419. The next prime is 12351142451567. The reversal of 12351142451535 is 53515424115321.

It is not a de Polignac number, because 12351142451535 - 2⁷ = 12351142451407 is a prime.

It is a super-2 number, since 2×12351142451535² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48647790 + ... + 48901019.

It is an arithmetic number, because the mean of its divisors is an integer number (646163317440).

Almost surely, 2^{12351142451535} is an apocalyptic number.

12351142451535 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12351142451535 is a deficient number, since it is larger than the sum of its proper divisors (8326083706545).

12351142451535 is a wasteful number, since it uses less digits than its factorization.

12351142451535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97549207.

The product of its digits is 360000, while the sum is 42.

Adding to 12351142451535 its reverse (53515424115321), we get a palindrome (65866566566856).

The spelling of 12351142451535 in words is "twelve trillion, three hundred fifty-one billion, one hundred forty-two million, four hundred fifty-one thousand, five hundred thirty-five".