1050657772521 has 16 divisors (see below), whose sum is σ = 1631209912704. Its totient is φ = 589048022784.

The previous prime is 1050657772513. The next prime is 1050657772531. The reversal of 1050657772521 is 1252777560501.

It is not a de Polignac number, because 1050657772521 - 2³ = 1050657772513 is a prime.

It is a super-2 number, since 2×1050657772521² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1050657772531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 471992496 + ... + 471994721.

It is an arithmetic number, because the mean of its divisors is an integer number (101950619544).

Almost surely, 2^{1050657772521} is an apocalyptic number.

It is an amenable number.

1050657772521 is a deficient number, since it is larger than the sum of its proper divisors (580552140183).

1050657772521 is an equidigital number, since it uses as much as digits as its factorization.

1050657772521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 943987280.

The product of its (nonzero) digits is 1029000, while the sum is 48.

The spelling of 1050657772521 in words is "one trillion, fifty billion, six hundred fifty-seven million, seven hundred seventy-two thousand, five hundred twenty-one".