1101011957 has 2 divisors, whose sum is σ = 1101011958. Its totient is φ = 1101011956.

The previous prime is 1101011927. The next prime is 1101012023. The reversal of 1101011957 is 7591101011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 571735921 + 529276036 = 23911^2 + 23006^2 .

It is a cyclic number.

It is not a de Polignac number, because 1101011957 - 2¹⁶ = 1100946421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1101011927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550505978 + 550505979.

It is an arithmetic number, because the mean of its divisors is an integer number (550505979).

Almost surely, 2^1101011957 is an apocalyptic number.

It is an amenable number.

1101011957 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101011957 is an equidigital number, since it uses as much as digits as its factorization.

1101011957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 315, while the sum is 26.

The square root of 1101011957 is about 33181.5002222624. The cubic root of 1101011957 is about 1032.5965708851.

Adding to 1101011957 its reverse (7591101011), we get a palindrome (8692112968).

The spelling of 1101011957 in words is "one billion, one hundred one million, eleven thousand, nine hundred fifty-seven".