2215451555351 has 16 divisors (see below), whose sum is σ = 2299968185760. Its totient is φ = 2131478294400.

The previous prime is 2215451555347. The next prime is 2215451555357. The reversal of 2215451555351 is 1535551545122.

It is a cyclic number.

It is not a de Polignac number, because 2215451555351 - 2² = 2215451555347 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2215451555357) 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, 99412256 + ... + 99434538.

It is an arithmetic number, because the mean of its divisors is an integer number (143748011610).

Almost surely, 2^{2215451555351} is an apocalyptic number.

2215451555351 is a deficient number, since it is larger than the sum of its proper divisors (84516630409).

2215451555351 is a wasteful number, since it uses less digits than its factorization.

2215451555351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34306.

The product of its digits is 750000, while the sum is 44.

The spelling of 2215451555351 in words is "two trillion, two hundred fifteen billion, four hundred fifty-one million, five hundred fifty-five thousand, three hundred fifty-one".