15315012005011 has 8 divisors (see below), whose sum is σ = 15688601488224. Its totient is φ = 14941425026880.

The previous prime is 15315012005003. The next prime is 15315012005021. The reversal of 15315012005011 is 11050021051351.

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

It is a cyclic number.

It is not a de Polignac number, because 15315012005011 - 2³ = 15315012005003 is a prime.

It is a super-2 number, since 2×15315012005011² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15315012005021) 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, 19695346 + ... + 20458168.

It is an arithmetic number, because the mean of its divisors is an integer number (1961075186028).

Almost surely, 2^{15315012005011} is an apocalyptic number.

15315012005011 is a deficient number, since it is larger than the sum of its proper divisors (373589483213).

15315012005011 is an equidigital number, since it uses as much as digits as its factorization.

15315012005011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1252541.

The product of its (nonzero) digits is 750, while the sum is 25.

Adding to 15315012005011 its reverse (11050021051351), we get a palindrome (26365033056362).

The spelling of 15315012005011 in words is "fifteen trillion, three hundred fifteen billion, twelve million, five thousand, eleven".