11011009951 has 2 divisors, whose sum is σ = 11011009952. Its totient is φ = 11011009950.

The previous prime is 11011009879. The next prime is 11011009987. The reversal of 11011009951 is 15990011011.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11011009951 - 2¹³ = 11011001759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11011003951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5505504975 + 5505504976.

It is an arithmetic number, because the mean of its divisors is an integer number (5505504976).

Almost surely, 2^11011009951 is an apocalyptic number.

11011009951 is a deficient number, since it is larger than the sum of its proper divisors (1).

11011009951 is an equidigital number, since it uses as much as digits as its factorization.

11011009951 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 405, while the sum is 28.

The spelling of 11011009951 in words is "eleven billion, eleven million, nine thousand, nine hundred fifty-one".