105102900655390 has 32 divisors (see below), whose sum is σ = 206384364468576. Its totient is φ = 38219146450560.

The previous prime is 105102900655367. The next prime is 105102900655393. The reversal of 105102900655390 is 93556009201501.

It is a super-2 number, since 2×105102900655390² (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 105102900655390.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105102900655393) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61435224 + ... + 63122836.

It is an arithmetic number, because the mean of its divisors is an integer number (6449511389643).

Almost surely, 2^{105102900655390} is an apocalyptic number.

105102900655390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

105102900655390 is a deficient number, since it is larger than the sum of its proper divisors (101281463813186).

105102900655390 is a wasteful number, since it uses less digits than its factorization.

105102900655390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2253804.

The product of its (nonzero) digits is 364500, while the sum is 46.

Adding to 105102900655390 its reverse (93556009201501), we get a palindrome (198658909856891).

The spelling of 105102900655390 in words is "one hundred five trillion, one hundred two billion, nine hundred million, six hundred fifty-five thousand, three hundred ninety".