15187108412020 has 48 divisors (see below), whose sum is σ = 32215249595088. Its totient is φ = 6013473177600.

The previous prime is 15187108412009. The next prime is 15187108412041. The reversal of 15187108412020 is 2021480178151.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 2169357819876 + 13017750592144 = 1472874^2 + 3608012^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9202612 + ... + 10726708.

It is an arithmetic number, because the mean of its divisors is an integer number (671151033231).

Almost surely, 2^{15187108412020} is an apocalyptic number.

15187108412020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15187108412020 is an abundant number, since it is smaller than the sum of its proper divisors (17028141183068).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15187108412020 is a wasteful number, since it uses less digits than its factorization.

15187108412020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1529140 (or 1529138 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 40.

The spelling of 15187108412020 in words is "fifteen trillion, one hundred eighty-seven billion, one hundred eight million, four hundred twelve thousand, twenty".