11134615381 has 2 divisors, whose sum is σ = 11134615382. Its totient is φ = 11134615380.

The previous prime is 11134615343. The next prime is 11134615397. The reversal of 11134615381 is 18351643111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10330892881 + 803722500 = 101641^2 + 28350^2 .

It is a cyclic number.

It is not a de Polignac number, because 11134615381 - 2²³ = 11126226773 is a prime.

It is a super-2 number, since 2×11134615381² (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 (11134615301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5567307690 + 5567307691.

It is an arithmetic number, because the mean of its divisors is an integer number (5567307691).

Almost surely, 2^11134615381 is an apocalyptic number.

It is an amenable number.

11134615381 is a deficient number, since it is larger than the sum of its proper divisors (1).

11134615381 is an equidigital number, since it uses as much as digits as its factorization.

11134615381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8640, while the sum is 34.

The spelling of 11134615381 in words is "eleven billion, one hundred thirty-four million, six hundred fifteen thousand, three hundred eighty-one".