1081929364057 has 2 divisors, whose sum is σ = 1081929364058. Its totient is φ = 1081929364056.

The previous prime is 1081929364027. The next prime is 1081929364123. The reversal of 1081929364057 is 7504639291801.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 809467287616 + 272462076441 = 899704^2 + 521979^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1081929364057 is a prime.

It is a super-2 number, since 2×1081929364057² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1081929363989 and 1081929364007.

It is not a weakly prime, because it can be changed into another prime (1081929364027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 540964682028 + 540964682029.

It is an arithmetic number, because the mean of its divisors is an integer number (540964682029).

It is a 1-persistent number, because it is pandigital, but 2⋅1081929364057 = 2163858728114 is not.

Almost surely, 2^{1081929364057} is an apocalyptic number.

It is an amenable number.

1081929364057 is a deficient number, since it is larger than the sum of its proper divisors (1).

1081929364057 is an equidigital number, since it uses as much as digits as its factorization.

1081929364057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3265920, while the sum is 55.

The spelling of 1081929364057 in words is "one trillion, eighty-one billion, nine hundred twenty-nine million, three hundred sixty-four thousand, fifty-seven".