1057611780643 has 32 divisors (see below), whose sum is σ = 1208217212928. Its totient is φ = 917069260800.

The previous prime is 1057611780637. The next prime is 1057611780703. The reversal of 1057611780643 is 3460871167501.

1057611780643 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-1057611780643 is a prime.

It is a super-2 number, since 2×1057611780643² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1057611786643) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7114371 + ... + 7261507.

It is an arithmetic number, because the mean of its divisors is an integer number (37756787904).

Almost surely, 2^{1057611780643} is an apocalyptic number.

1057611780643 is a deficient number, since it is larger than the sum of its proper divisors (150605432285).

1057611780643 is a wasteful number, since it uses less digits than its factorization.

1057611780643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147483.

The product of its (nonzero) digits is 846720, while the sum is 49.

The spelling of 1057611780643 in words is "one trillion, fifty-seven billion, six hundred eleven million, seven hundred eighty thousand, six hundred forty-three".