32130326515 has 16 divisors (see below), whose sum is σ = 44189293248. Its totient is φ = 21969801216.

The previous prime is 32130326509. The next prime is 32130326521. The reversal of 32130326515 is 51562303123.

It is an interprime number because it is at equal distance from previous prime (32130326509) and next prime (32130326521).

It is a cyclic number.

It is not a de Polignac number, because 32130326515 - 2⁵ = 32130326483 is a prime.

It is a Duffinian 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, 1287942 + ... + 1312651.

It is an arithmetic number, because the mean of its divisors is an integer number (2761830828).

Almost surely, 2^32130326515 is an apocalyptic number.

32130326515 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

32130326515 is a deficient number, since it is larger than the sum of its proper divisors (12058966733).

32130326515 is a wasteful number, since it uses less digits than its factorization.

32130326515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2600958.

The product of its (nonzero) digits is 16200, while the sum is 31.

Adding to 32130326515 its reverse (51562303123), we get a palindrome (83692629638).

The spelling of 32130326515 in words is "thirty-two billion, one hundred thirty million, three hundred twenty-six thousand, five hundred fifteen".