10215052345550 has 48 divisors (see below), whose sum is σ = 20579810620320. Its totient is φ = 3749909792640.

The previous prime is 10215052345501. The next prime is 10215052345559. The reversal of 10215052345550 is 5554325051201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10215052345559) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45307970 + ... + 45532869.

It is an arithmetic number, because the mean of its divisors is an integer number (428746054590).

Almost surely, 2^{10215052345550} is an apocalyptic number.

10215052345550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10215052345550 is an abundant number, since it is smaller than the sum of its proper divisors (10364758274770).

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

10215052345550 is a wasteful number, since it uses less digits than its factorization.

10215052345550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90841037 (or 90841032 counting only the distinct ones).

The product of its (nonzero) digits is 150000, while the sum is 38.

Adding to 10215052345550 its reverse (5554325051201), we get a palindrome (15769377396751).

The spelling of 10215052345550 in words is "ten trillion, two hundred fifteen billion, fifty-two million, three hundred forty-five thousand, five hundred fifty".