105120523342451 has 8 divisors (see below), whose sum is σ = 106113708163584. Its totient is φ = 104127537596040.

The previous prime is 105120523342411. The next prime is 105120523342459. The reversal of 105120523342451 is 154243325021501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-105120523342451 is a prime.

It is a super-2 number, since 2×105120523342451² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105120523342459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48707495 + ... + 50819888.

It is an arithmetic number, because the mean of its divisors is an integer number (13264213520448).

Almost surely, 2^{105120523342451} is an apocalyptic number.

105120523342451 is a deficient number, since it is larger than the sum of its proper divisors (993184821133).

105120523342451 is an equidigital number, since it uses as much as digits as its factorization.

105120523342451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99537361.

The product of its (nonzero) digits is 144000, while the sum is 38.

Adding to 105120523342451 its reverse (154243325021501), we get a palindrome (259363848363952).

The spelling of 105120523342451 in words is "one hundred five trillion, one hundred twenty billion, five hundred twenty-three million, three hundred forty-two thousand, four hundred fifty-one".