2661115522002 has 16 divisors (see below), whose sum is σ = 6082549764672. Its totient is φ = 760318720560.

The previous prime is 2661115521997. The next prime is 2661115522007. The reversal of 2661115522002 is 2002255111662.

It is an interprime number because it is at equal distance from previous prime (2661115521997) and next prime (2661115522007).

It is not an unprimeable number, because it can be changed into a prime (2661115522007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31679946649 + ... + 31679946732.

It is an arithmetic number, because the mean of its divisors is an integer number (380159360292).

Almost surely, 2^{2661115522002} is an apocalyptic number.

2661115522002 is an abundant number, since it is smaller than the sum of its proper divisors (3421434242670).

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

2661115522002 is a wasteful number, since it uses less digits than its factorization.

2661115522002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63359893393.

The product of its (nonzero) digits is 14400, while the sum is 33.

The spelling of 2661115522002 in words is "two trillion, six hundred sixty-one billion, one hundred fifteen million, five hundred twenty-two thousand, two".