2615261552 has 40 divisors (see below), whose sum is σ = 5310838656. Its totient is φ = 1245227456.

The previous prime is 2615261543. The next prime is 2615261603. The reversal of 2615261552 is 2551625162.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67883 + ... + 99189.

Almost surely, 2^2615261552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2615261552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2655419328).

2615261552 is an abundant number, since it is smaller than the sum of its proper divisors (2695577104).

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

2615261552 is a wasteful number, since it uses less digits than its factorization.

2615261552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31565 (or 31559 counting only the distinct ones).

The product of its digits is 36000, while the sum is 35.

The square root of 2615261552 is about 51139.6280002113. The cubic root of 2615261552 is about 1377.7540924090.

The spelling of 2615261552 in words is "two billion, six hundred fifteen million, two hundred sixty-one thousand, five hundred fifty-two".