1011506372417 has 2 divisors, whose sum is σ = 1011506372418. Its totient is φ = 1011506372416.

The previous prime is 1011506372411. The next prime is 1011506372531. The reversal of 1011506372417 is 7142736051101.

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., 597955772176 + 413550600241 = 773276^2 + 643079^2 .

It is a cyclic number.

It is not a de Polignac number, because 1011506372417 - 2⁶ = 1011506372353 is a prime.

It is not a weakly prime, because it can be changed into another prime (1011506372411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505753186208 + 505753186209.

It is an arithmetic number, because the mean of its divisors is an integer number (505753186209).

Almost surely, 2^{1011506372417} is an apocalyptic number.

It is an amenable number.

1011506372417 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011506372417 is an equidigital number, since it uses as much as digits as its factorization.

1011506372417 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 35280, while the sum is 38.

The spelling of 1011506372417 in words is "one trillion, eleven billion, five hundred six million, three hundred seventy-two thousand, four hundred seventeen".