101520018685130 has 16 divisors (see below), whose sum is σ = 183359706108264. Its totient is φ = 40469413590720.

The previous prime is 101520018684961. The next prime is 101520018685133. The reversal of 101520018685130 is 31586810025101.

It can be written as a sum of positive squares in 4 ways, for example, as 72612911585041 + 28907107100089 = 8521321^2 + 5376533^2 .

It is not an unprimeable number, because it can be changed into a prime (101520018685133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17324232341 + ... + 17324238200.

Almost surely, 2^{101520018685130} is an apocalyptic number.

101520018685130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101520018685130 is a deficient number, since it is larger than the sum of its proper divisors (81839687423134).

101520018685130 is a wasteful number, since it uses less digits than its factorization.

101520018685130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34648470841.

The product of its (nonzero) digits is 57600, while the sum is 41.

The spelling of 101520018685130 in words is "one hundred one trillion, five hundred twenty billion, eighteen million, six hundred eighty-five thousand, one hundred thirty".