1051162256644 has 24 divisors (see below), whose sum is σ = 1846111151808. Its totient is φ = 523703014560.

The previous prime is 1051162256609. The next prime is 1051162256647. The reversal of 1051162256644 is 4466522611501.

It is a super-2 number, since 2×1051162256644² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1051162256644.

It is not an unprimeable number, because it can be changed into a prime (1051162256647) 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 7 ways as a sum of consecutive naturals, for example, 3784422 + ... + 4052674.

It is an arithmetic number, because the mean of its divisors is an integer number (76921297992).

Almost surely, 2^{1051162256644} is an apocalyptic number.

It is an amenable number.

1051162256644 is a deficient number, since it is larger than the sum of its proper divisors (794948895164).

1051162256644 is a wasteful number, since it uses less digits than its factorization.

1051162256644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271755 (or 271753 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 43.

The spelling of 1051162256644 in words is "one trillion, fifty-one billion, one hundred sixty-two million, two hundred fifty-six thousand, six hundred forty-four".