105042687870 has 16 divisors (see below), whose sum is σ = 252102450960. Its totient is φ = 28011383424.

The previous prime is 105042687859. The next prime is 105042687881. The reversal of 105042687870 is 78786240501.

It is an interprime number because it is at equal distance from previous prime (105042687859) and next prime (105042687881).

It is a super-2 number, since 2×105042687870² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1750711435 + ... + 1750711494.

It is an arithmetic number, because the mean of its divisors is an integer number (15756403185).

Almost surely, 2^105042687870 is an apocalyptic number.

105042687870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

105042687870 is an abundant number, since it is smaller than the sum of its proper divisors (147059763090).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

105042687870 is a wasteful number, since it uses less digits than its factorization.

105042687870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3501422939.

The product of its (nonzero) digits is 752640, while the sum is 48.

The spelling of 105042687870 in words is "one hundred five billion, forty-two million, six hundred eighty-seven thousand, eight hundred seventy".