1051264551520 has 24 divisors (see below), whose sum is σ = 2483612503344. Its totient is φ = 420505820544.

The previous prime is 1051264551511. The next prime is 1051264551521. The reversal of 1051264551520 is 251554621501.

It is a super-2 number, since 2×1051264551520² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1051264551520.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1051264551521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3285201564 + ... + 3285201883.

It is an arithmetic number, because the mean of its divisors is an integer number (103483854306).

Almost surely, 2^{1051264551520} is an apocalyptic number.

1051264551520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1051264551520 is an abundant number, since it is smaller than the sum of its proper divisors (1432347951824).

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

1051264551520 is an equidigital number, since it uses as much as digits as its factorization.

1051264551520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6570403462 (or 6570403454 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 37.

The spelling of 1051264551520 in words is "one trillion, fifty-one billion, two hundred sixty-four million, five hundred fifty-one thousand, five hundred twenty".