2615145064020 has 72 divisors (see below), whose sum is σ = 7993161015840. Its totient is φ = 692048560320.

The previous prime is 2615145063961. The next prime is 2615145064031. The reversal of 2615145064020 is 204605415162.

2615145064020 is a `hidden beast` number, since 2 + 6 + 1 + 5 + 1 + 4 + 5 + 0 + 640 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 55429030 + ... + 55476189.

It is an arithmetic number, because the mean of its divisors is an integer number (111016125220).

Almost surely, 2^{2615145064020} is an apocalyptic number.

2615145064020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2615145064020 is an abundant number, since it is smaller than the sum of its proper divisors (5378015951820).

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

2615145064020 is a wasteful number, since it uses less digits than its factorization.

2615145064020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110905365 (or 110905360 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The spelling of 2615145064020 in words is "two trillion, six hundred fifteen billion, one hundred forty-five million, sixty-four thousand, twenty".