2215423201511 has 16 divisors (see below), whose sum is σ = 2421549929568. Its totient is φ = 2014400361600.

The previous prime is 2215423201487. The next prime is 2215423201513. The reversal of 2215423201511 is 1151023245122.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2215423201511 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 (2215423201513) 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, 32943341 + ... + 33010521.

It is an arithmetic number, because the mean of its divisors is an integer number (151346870598).

Almost surely, 2^{2215423201511} is an apocalyptic number.

2215423201511 is a deficient number, since it is larger than the sum of its proper divisors (206126728057).

2215423201511 is a wasteful number, since it uses less digits than its factorization.

2215423201511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105122.

The product of its (nonzero) digits is 4800, while the sum is 29.

Adding to 2215423201511 its reverse (1151023245122), we get a palindrome (3366446446633).

The spelling of 2215423201511 in words is "two trillion, two hundred fifteen billion, four hundred twenty-three million, two hundred one thousand, five hundred eleven".