213540501104 has 40 divisors (see below), whose sum is σ = 475971107328. Its totient is φ = 90911275200.

The previous prime is 213540501089. The next prime is 213540501121. The reversal of 213540501104 is 401105045312.

It is a super-2 number, since 2×213540501104² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6296372 + ... + 6330195.

Almost surely, 2^213540501104 is an apocalyptic number.

It is an amenable number.

213540501104 is an abundant number, since it is smaller than the sum of its proper divisors (262430606224).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213540501104 is a wasteful number, since it uses less digits than its factorization.

213540501104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12626733 (or 12626727 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 213540501104 its reverse (401105045312), we get a palindrome (614645546416).

The spelling of 213540501104 in words is "two hundred thirteen billion, five hundred forty million, five hundred one thousand, one hundred four".