101028178851 has 8 divisors (see below), whose sum is σ = 134707687104. Its totient is φ = 67350394920.

The previous prime is 101028178829. The next prime is 101028178873. The reversal of 101028178851 is 158871820101.

It is an interprime number because it is at equal distance from previous prime (101028178829) and next prime (101028178873).

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

It is not a de Polignac number, because 101028178851 - 2⁷ = 101028178723 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101028170851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 287541 + ... + 533606.

It is an arithmetic number, because the mean of its divisors is an integer number (16838460888).

Almost surely, 2^101028178851 is an apocalyptic number.

101028178851 is a deficient number, since it is larger than the sum of its proper divisors (33679508253).

101028178851 is an equidigital number, since it uses as much as digits as its factorization.

101028178851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 862161.

The product of its (nonzero) digits is 35840, while the sum is 42.

Adding to 101028178851 its reverse (158871820101), we get a palindrome (259899998952).

The spelling of 101028178851 in words is "one hundred one billion, twenty-eight million, one hundred seventy-eight thousand, eight hundred fifty-one".