215341113521402 has 32 divisors (see below), whose sum is σ = 352518746112000. Its totient is φ = 97842777505200.

The previous prime is 215341113521389. The next prime is 215341113521411. The reversal of 215341113521402 is 204125311143512.

215341113521402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2156833799 + ... + 2156933637.

It is an arithmetic number, because the mean of its divisors is an integer number (11016210816000).

Almost surely, 2^{215341113521402} is an apocalyptic number.

215341113521402 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

215341113521402 is a deficient number, since it is larger than the sum of its proper divisors (137177632590598).

215341113521402 is a wasteful number, since it uses less digits than its factorization.

215341113521402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138482.

The product of its (nonzero) digits is 28800, while the sum is 35.

Adding to 215341113521402 its reverse (204125311143512), we get a palindrome (419466424664914).

The spelling of 215341113521402 in words is "two hundred fifteen trillion, three hundred forty-one billion, one hundred thirteen million, five hundred twenty-one thousand, four hundred two".