2145520434335 has 16 divisors (see below), whose sum is σ = 2686606743744. Its totient is φ = 1641763867392.

The previous prime is 2145520434311. The next prime is 2145520434349. The reversal of 2145520434335 is 5334340255412.

It is a cyclic number.

It is not a de Polignac number, because 2145520434335 - 2³⁰ = 2144446692511 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2145520434292 and 2145520434301.

It is a congruent number.

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, 10777259 + ... + 10974531.

It is an arithmetic number, because the mean of its divisors is an integer number (167912921484).

Almost surely, 2^{2145520434335} is an apocalyptic number.

2145520434335 is a deficient number, since it is larger than the sum of its proper divisors (541086309409).

2145520434335 is a wasteful number, since it uses less digits than its factorization.

2145520434335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291874.

The product of its (nonzero) digits is 864000, while the sum is 41.

Adding to 2145520434335 its reverse (5334340255412), we get a palindrome (7479860689747).

The spelling of 2145520434335 in words is "two trillion, one hundred forty-five billion, five hundred twenty million, four hundred thirty-four thousand, three hundred thirty-five".