11010978631 has 2 divisors, whose sum is σ = 11010978632. Its totient is φ = 11010978630.

The previous prime is 11010978569. The next prime is 11010978661. The reversal of 11010978631 is 13687901011.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11010978631 - 2²⁷ = 10876760903 is a prime.

It is a super-2 number, since 2×11010978631² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11010978661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5505489315 + 5505489316.

It is an arithmetic number, because the mean of its divisors is an integer number (5505489316).

Almost surely, 2^11010978631 is an apocalyptic number.

11010978631 is a deficient number, since it is larger than the sum of its proper divisors (1).

11010978631 is an equidigital number, since it uses as much as digits as its factorization.

11010978631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 37.

The spelling of 11010978631 in words is "eleven billion, ten million, nine hundred seventy-eight thousand, six hundred thirty-one".