1056212521633 has 4 divisors (see below), whose sum is σ = 1056353226160. Its totient is φ = 1056071817108.

The previous prime is 1056212521607. The next prime is 1056212521681. The reversal of 1056212521633 is 3361252126501.

1056212521633 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1056212521633 is a prime.

It is a super-2 number, since 2×1056212521633² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1056212521592 and 1056212521601.

It is not an unprimeable number, because it can be changed into a prime (1056212527633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70341003 + ... + 70356016.

It is an arithmetic number, because the mean of its divisors is an integer number (264088306540).

Almost surely, 2^{1056212521633} is an apocalyptic number.

It is an amenable number.

1056212521633 is a deficient number, since it is larger than the sum of its proper divisors (140704527).

1056212521633 is an equidigital number, since it uses as much as digits as its factorization.

1056212521633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140704526.

The product of its (nonzero) digits is 64800, while the sum is 37.

The spelling of 1056212521633 in words is "one trillion, fifty-six billion, two hundred twelve million, five hundred twenty-one thousand, six hundred thirty-three".