101130479838 has 12 divisors (see below), whose sum is σ = 219116039688. Its totient is φ = 33710159940.

The previous prime is 101130479831. The next prime is 101130479843. The reversal of 101130479838 is 838974031101.

101130479838 is a `hidden beast` number, since 10 + 1 + 130 + 479 + 8 + 38 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 101130479793 and 101130479802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101130479831) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2809179978 + ... + 2809180013.

It is an arithmetic number, because the mean of its divisors is an integer number (18259669974).

Almost surely, 2^101130479838 is an apocalyptic number.

101130479838 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

101130479838 is an abundant number, since it is smaller than the sum of its proper divisors (117985559850).

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

101130479838 is a wasteful number, since it uses less digits than its factorization.

101130479838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5618359999 (or 5618359996 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The spelling of 101130479838 in words is "one hundred one billion, one hundred thirty million, four hundred seventy-nine thousand, eight hundred thirty-eight".