215051005530434 has 48 divisors (see below), whose sum is σ = 347081498713440. Its totient is φ = 99889985980800.

The previous prime is 215051005530421. The next prime is 215051005530463. The reversal of 215051005530434 is 434035500150512.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10787057 + ... + 23376539.

It is an arithmetic number, because the mean of its divisors is an integer number (7230864556530).

Almost surely, 2^{215051005530434} is an apocalyptic number.

215051005530434 is a deficient number, since it is larger than the sum of its proper divisors (132030493183006).

215051005530434 is a wasteful number, since it uses less digits than its factorization.

215051005530434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12589983 (or 12589964 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 38.

Adding to 215051005530434 its reverse (434035500150512), we get a palindrome (649086505680946).

The spelling of 215051005530434 in words is "two hundred fifteen trillion, fifty-one billion, five million, five hundred thirty thousand, four hundred thirty-four".