15520340646602 has 32 divisors (see below), whose sum is σ = 26923295833920. Its totient is φ = 6631708481280.

The previous prime is 15520340646593. The next prime is 15520340646607. The reversal of 15520340646602 is 20664604302551.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (15520340646607) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24719048 + ... + 25339139.

It is an arithmetic number, because the mean of its divisors is an integer number (841352994810).

Almost surely, 2^{15520340646602} is an apocalyptic number.

15520340646602 is a deficient number, since it is larger than the sum of its proper divisors (11402955187318).

15520340646602 is a wasteful number, since it uses less digits than its factorization.

15520340646602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50059046.

The product of its (nonzero) digits is 1036800, while the sum is 44.

The spelling of 15520340646602 in words is "fifteen trillion, five hundred twenty billion, three hundred forty million, six hundred forty-six thousand, six hundred two".