11070805531 has 2 divisors, whose sum is σ = 11070805532. Its totient is φ = 11070805530.

The previous prime is 11070805523. The next prime is 11070805573. The reversal of 11070805531 is 13550807011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11070805531 - 2³ = 11070805523 is a prime.

It is a super-2 number, since 2×11070805531² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11070805493 and 11070805502.

It is not a weakly prime, because it can be changed into another prime (11070805831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5535402765 + 5535402766.

It is an arithmetic number, because the mean of its divisors is an integer number (5535402766).

Almost surely, 2^11070805531 is an apocalyptic number.

11070805531 is a deficient number, since it is larger than the sum of its proper divisors (1).

11070805531 is an equidigital number, since it uses as much as digits as its factorization.

11070805531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4200, while the sum is 31.

The spelling of 11070805531 in words is "eleven billion, seventy million, eight hundred five thousand, five hundred thirty-one".