10547542212520 has 64 divisors (see below), whose sum is σ = 25163410784400. Its totient is φ = 3965238620160.

The previous prime is 10547542212509. The next prime is 10547542212547. The reversal of 10547542212520 is 2521224574501.

It can be written as a sum of positive squares in 8 ways, for example, as 4647102849796 + 5900439362724 = 2155714^2 + 2429082^2 .

It is a super-2 number, since 2×10547542212520² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10456591 + ... + 11420830.

Almost surely, 2^{10547542212520} is an apocalyptic number.

10547542212520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10547542212520 is an abundant number, since it is smaller than the sum of its proper divisors (14615868571880).

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

10547542212520 is a wasteful number, since it uses less digits than its factorization.

10547542212520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21878158 (or 21878154 counting only the distinct ones).

The product of its (nonzero) digits is 224000, while the sum is 40.

The spelling of 10547542212520 in words is "ten trillion, five hundred forty-seven billion, five hundred forty-two million, two hundred twelve thousand, five hundred twenty".