951011205505531 has 2 divisors, whose sum is σ = 951011205505532. Its totient is φ = 951011205505530.

The previous prime is 951011205505469. The next prime is 951011205505631. The reversal of 951011205505531 is 135505502110159.

951011205505531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (135505502110159) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 951011205505531 - 2⁹ = 951011205505019 is a prime.

It is a super-2 number, since 2×951011205505531² (a number of 31 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (951011205505631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 475505602752765 + 475505602752766.

It is an arithmetic number, because the mean of its divisors is an integer number (475505602752766).

Almost surely, 2^{951011205505531} is an apocalyptic number.

951011205505531 is a deficient number, since it is larger than the sum of its proper divisors (1).

951011205505531 is an equidigital number, since it uses as much as digits as its factorization.

951011205505531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168750, while the sum is 43.

The spelling of 951011205505531 in words is "nine hundred fifty-one trillion, eleven billion, two hundred five million, five hundred five thousand, five hundred thirty-one".