105124535121542 has 16 divisors (see below), whose sum is σ = 158191162300080. Its totient is φ = 52394316911328.

The previous prime is 105124535121533. The next prime is 105124535121559. The reversal of 105124535121542 is 245121535421501.

It is a super-2 number, since 2×105124535121542² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 105124535121542.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41062328 + ... + 43547259.

It is an arithmetic number, because the mean of its divisors is an integer number (9886947643755).

Almost surely, 2^{105124535121542} is an apocalyptic number.

105124535121542 is a deficient number, since it is larger than the sum of its proper divisors (53066627178538).

105124535121542 is a wasteful number, since it uses less digits than its factorization.

105124535121542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84611575.

The product of its (nonzero) digits is 240000, while the sum is 41.

The spelling of 105124535121542 in words is "one hundred five trillion, one hundred twenty-four billion, five hundred thirty-five million, one hundred twenty-one thousand, five hundred forty-two".