213151552552451 has 8 divisors (see below), whose sum is σ = 218108834581440. Its totient is φ = 208194282758952.

The previous prime is 213151552552441. The next prime is 213151552552453. The reversal of 213151552552451 is 154255255151312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 213151552552451 - 2¹⁸ = 213151552290307 is a prime.

It is a super-2 number, since 2×213151552552451² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 213151552552396 and 213151552552405.

It is not an unprimeable number, because it can be changed into a prime (213151552552453) 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, 38759396 + ... + 43915758.

It is an arithmetic number, because the mean of its divisors is an integer number (27263604322680).

Almost surely, 2^{213151552552451} is an apocalyptic number.

213151552552451 is a deficient number, since it is larger than the sum of its proper divisors (4957282028989).

213151552552451 is an equidigital number, since it uses as much as digits as its factorization.

213151552552451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6117745.

The product of its digits is 1500000, while the sum is 47.

The spelling of 213151552552451 in words is "two hundred thirteen trillion, one hundred fifty-one billion, five hundred fifty-two million, five hundred fifty-two thousand, four hundred fifty-one".