3515405202056 has 128 divisors (see below), whose sum is σ = 7590392409600. Its totient is φ = 1509549696000.

The previous prime is 3515405201989. The next prime is 3515405202091. The reversal of 3515405202056 is 6502025045153.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1482666551 + ... + 1482668921.

It is an arithmetic number, because the mean of its divisors is an integer number (59299940700).

Almost surely, 2^{3515405202056} 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 3515405202056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3795196204800).

3515405202056 is an abundant number, since it is smaller than the sum of its proper divisors (4074987207544).

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

3515405202056 is a wasteful number, since it uses less digits than its factorization.

3515405202056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4531 (or 4527 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 38.

The spelling of 3515405202056 in words is "three trillion, five hundred fifteen billion, four hundred five million, two hundred two thousand, fifty-six".