1056665206101 has 16 divisors (see below), whose sum is σ = 1442910366464. Its totient is φ = 687630726144.

The previous prime is 1056665206097. The next prime is 1056665206139. The reversal of 1056665206101 is 1016025666501.

It is not a de Polignac number, because 1056665206101 - 2² = 1056665206097 is a prime.

It is a super-2 number, since 2×1056665206101² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1056665206101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1056665206151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24849661 + ... + 24892146.

It is an arithmetic number, because the mean of its divisors is an integer number (90181897904).

Almost surely, 2^{1056665206101} is an apocalyptic number.

It is an amenable number.

1056665206101 is a deficient number, since it is larger than the sum of its proper divisors (386245160363).

1056665206101 is an equidigital number, since it uses as much as digits as its factorization.

1056665206101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49741980.

The product of its (nonzero) digits is 64800, while the sum is 39.

The spelling of 1056665206101 in words is "one trillion, fifty-six billion, six hundred sixty-five million, two hundred six thousand, one hundred one".