213412352552526 has 16 divisors (see below), whose sum is σ = 427076816587344. Its totient is φ = 71095432270464.

The previous prime is 213412352552473. The next prime is 213412352552533. The reversal of 213412352552526 is 625255253214312.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10504634091 + ... + 10504654406.

It is an arithmetic number, because the mean of its divisors is an integer number (26692301036709).

Almost surely, 2^{213412352552526} is an apocalyptic number.

213412352552526 is an abundant number, since it is smaller than the sum of its proper divisors (213664464034818).

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

213412352552526 is a wasteful number, since it uses less digits than its factorization.

213412352552526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21009290195.

The product of its digits is 4320000, while the sum is 48.

The spelling of 213412352552526 in words is "two hundred thirteen trillion, four hundred twelve billion, three hundred fifty-two million, five hundred fifty-two thousand, five hundred twenty-six".