1011601051 has 2 divisors, whose sum is σ = 1011601052. Its totient is φ = 1011601050.

The previous prime is 1011601049. The next prime is 1011601093. The reversal of 1011601051 is 1501061101.

It is a weak prime.

It is an emirp because it is prime and its reverse (1501061101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1011601051 - 2¹ = 1011601049 is a prime.

Together with 1011601049, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1011601001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505800525 + 505800526.

It is an arithmetic number, because the mean of its divisors is an integer number (505800526).

Almost surely, 2^1011601051 is an apocalyptic number.

1011601051 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011601051 is an equidigital number, since it uses as much as digits as its factorization.

1011601051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30, while the sum is 16.

The square root of 1011601051 is about 31805.6763958888. The cubic root of 1011601051 is about 1003.8521588182.

Adding to 1011601051 its reverse (1501061101), we get a palindrome (2512662152).

The spelling of 1011601051 in words is "one billion, eleven million, six hundred one thousand, fifty-one".