32115220210025 has 48 divisors (see below), whose sum is σ = 42280147290240. Its totient is φ = 24148365120000.

The previous prime is 32115220210009. The next prime is 32115220210111. The reversal of 32115220210025 is 52001202251123.

It is a happy number.

It is not a de Polignac number, because 32115220210025 - 2⁴ = 32115220210009 is a prime.

It is a super-2 number, since 2×32115220210025² (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 32115220209976 and 32115220210003.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9869150 + ... + 12713400.

It is an arithmetic number, because the mean of its divisors is an integer number (880836401880).

Almost surely, 2^{32115220210025} is an apocalyptic number.

It is an amenable number.

32115220210025 is a deficient number, since it is larger than the sum of its proper divisors (10164927080215).

32115220210025 is a wasteful number, since it uses less digits than its factorization.

32115220210025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2844626 (or 2844621 counting only the distinct ones).

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

Adding to 32115220210025 its reverse (52001202251123), we get a palindrome (84116422461148).

The spelling of 32115220210025 in words is "thirty-two trillion, one hundred fifteen billion, two hundred twenty million, two hundred ten thousand, twenty-five".