11515020101625 has 64 divisors (see below), whose sum is σ = 20319670215936. Its totient is φ = 5771097216000.

The previous prime is 11515020101573. The next prime is 11515020101653. The reversal of 11515020101625 is 52610102051511.

It is not a de Polignac number, because 11515020101625 - 2¹⁴ = 11515020085241 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11515020101592 and 11515020101601.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2694555 + ... + 5503695.

It is an arithmetic number, because the mean of its divisors is an integer number (317494847124).

Almost surely, 2^{11515020101625} is an apocalyptic number.

11515020101625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11515020101625 is a deficient number, since it is larger than the sum of its proper divisors (8804650114311).

11515020101625 is a wasteful number, since it uses less digits than its factorization.

11515020101625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2809819 (or 2809809 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 30.

The spelling of 11515020101625 in words is "eleven trillion, five hundred fifteen billion, twenty million, one hundred one thousand, six hundred twenty-five".