1061215321626 has 24 divisors (see below), whose sum is σ = 2301834959424. Its totient is φ = 353348425800.

The previous prime is 1061215321583. The next prime is 1061215321627. The reversal of 1061215321626 is 6261235121601.

1061215321626 is a `hidden beast` number, since 1 + 0 + 6 + 1 + 2 + 1 + 5 + 3 + 21 + 626 = 666.

It is a super-2 number, since 2×1061215321626² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1061215321627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32484450 + ... + 32517101.

It is an arithmetic number, because the mean of its divisors is an integer number (95909789976).

Almost surely, 2^{1061215321626} is an apocalyptic number.

1061215321626 is an abundant number, since it is smaller than the sum of its proper divisors (1240619637798).

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

1061215321626 is a wasteful number, since it uses less digits than its factorization.

1061215321626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65002466 (or 65002463 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The spelling of 1061215321626 in words is "one trillion, sixty-one billion, two hundred fifteen million, three hundred twenty-one thousand, six hundred twenty-six".