10520542411215 has 32 divisors (see below), whose sum is σ = 18130873601280. Its totient is φ = 5192022882816.

The previous prime is 10520542411147. The next prime is 10520542411231. The reversal of 10520542411215 is 51211424502501.

It is not a de Polignac number, because 10520542411215 - 2¹² = 10520542407119 is a prime.

It is a super-2 number, since 2×10520542411215² (a number of 27 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 31 ways as a sum of consecutive naturals, for example, 429222442 + ... + 429246951.

It is an arithmetic number, because the mean of its divisors is an integer number (566589800040).

Almost surely, 2^{10520542411215} is an apocalyptic number.

10520542411215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

10520542411215 is a deficient number, since it is larger than the sum of its proper divisors (7610331190065).

10520542411215 is a wasteful number, since it uses less digits than its factorization.

10520542411215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 858469463.

The product of its (nonzero) digits is 16000, while the sum is 33.

Adding to 10520542411215 its reverse (51211424502501), we get a palindrome (61731966913716).

The spelling of 10520542411215 in words is "ten trillion, five hundred twenty billion, five hundred forty-two million, four hundred eleven thousand, two hundred fifteen".