1111001011051 has 2 divisors, whose sum is σ = 1111001011052. Its totient is φ = 1111001011050.

The previous prime is 1111001011013. The next prime is 1111001011063. The reversal of 1111001011051 is 1501101001111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1111001011051 - 2¹¹ = 1111001009003 is a prime.

It is not a weakly prime, because it can be changed into another prime (1111001011451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555500505525 + 555500505526.

It is an arithmetic number, because the mean of its divisors is an integer number (555500505526).

Almost surely, 2^{1111001011051} is an apocalyptic number.

1111001011051 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111001011051 is an equidigital number, since it uses as much as digits as its factorization.

1111001011051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5, while the sum is 13.

Adding to 1111001011051 its reverse (1501101001111), we get a palindrome (2612102012162).

The spelling of 1111001011051 in words is "one trillion, one hundred eleven billion, one million, eleven thousand, fifty-one".