1056415026061 has 4 divisors (see below), whose sum is σ = 1056524180800. Its totient is φ = 1056305871324.

The previous prime is 1056415026041. The next prime is 1056415026091. The reversal of 1056415026061 is 1606205146501.

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 not a de Polignac number, because 1056415026061 - 2¹³ = 1056415017869 is a prime.

It is a super-2 number, since 2×1056415026061² (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 1056415026061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1056415026041) 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, 54562851 + ... + 54582208.

It is an arithmetic number, because the mean of its divisors is an integer number (264131045200).

Almost surely, 2^{1056415026061} is an apocalyptic number.

It is an amenable number.

1056415026061 is a deficient number, since it is larger than the sum of its proper divisors (109154739).

1056415026061 is an equidigital number, since it uses as much as digits as its factorization.

1056415026061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109154738.

The product of its (nonzero) digits is 43200, while the sum is 37.

The spelling of 1056415026061 in words is "one trillion, fifty-six billion, four hundred fifteen million, twenty-six thousand, sixty-one".