1055000509481 has 2 divisors, whose sum is σ = 1055000509482. Its totient is φ = 1055000509480.

The previous prime is 1055000509439. The next prime is 1055000509613. The reversal of 1055000509481 is 1849050005501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 620772227881 + 434228281600 = 787891^2 + 658960^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1055000509481 is a prime.

It is a super-2 number, since 2×1055000509481² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1055000529481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 527500254740 + 527500254741.

It is an arithmetic number, because the mean of its divisors is an integer number (527500254741).

Almost surely, 2^{1055000509481} is an apocalyptic number.

It is an amenable number.

1055000509481 is a deficient number, since it is larger than the sum of its proper divisors (1).

1055000509481 is an equidigital number, since it uses as much as digits as its factorization.

1055000509481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36000, while the sum is 38.

The spelling of 1055000509481 in words is "one trillion, fifty-five billion, five hundred nine thousand, four hundred eighty-one".