101015131505 has 32 divisors (see below), whose sum is σ = 122699681280. Its totient is φ = 79832712960.

The previous prime is 101015131487. The next prime is 101015131519. The reversal of 101015131505 is 505131510101.

It is not a de Polignac number, because 101015131505 - 2¹⁰ = 101015130481 is a prime.

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 31 ways as a sum of consecutive naturals, for example, 117595766 + ... + 117596624.

It is an arithmetic number, because the mean of its divisors is an integer number (3834365040).

Almost surely, 2^101015131505 is an apocalyptic number.

It is an amenable number.

101015131505 is a deficient number, since it is larger than the sum of its proper divisors (21684549775).

101015131505 is a wasteful number, since it uses less digits than its factorization.

101015131505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1769.

The product of its (nonzero) digits is 375, while the sum is 23.

Adding to 101015131505 its reverse (505131510101), we get a palindrome (606146641606).

The spelling of 101015131505 in words is "one hundred one billion, fifteen million, one hundred thirty-one thousand, five hundred five".