1001055599939 has 2 divisors, whose sum is σ = 1001055599940. Its totient is φ = 1001055599938.

The previous prime is 1001055599923. The next prime is 1001055599987. The reversal of 1001055599939 is 9399955501001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1001055599939 - 2⁴ = 1001055599923 is a prime.

It is a super-2 number, since 2×1001055599939² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1001055593939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500527799969 + 500527799970.

It is an arithmetic number, because the mean of its divisors is an integer number (500527799970).

Almost surely, 2^{1001055599939} is an apocalyptic number.

1001055599939 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001055599939 is an equidigital number, since it uses as much as digits as its factorization.

1001055599939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2460375, while the sum is 56.

The spelling of 1001055599939 in words is "one trillion, one billion, fifty-five million, five hundred ninety-nine thousand, nine hundred thirty-nine".