61135411 has 2 divisors, whose sum is σ = 61135412. Its totient is φ = 61135410.

The previous prime is 61135409. The next prime is 61135427. The reversal of 61135411 is 11453116.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61135411 - 2¹ = 61135409 is a prime.

Together with 61135409, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (61130411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30567705 + 30567706.

It is an arithmetic number, because the mean of its divisors is an integer number (30567706).

Almost surely, 2^61135411 is an apocalyptic number.

61135411 is a deficient number, since it is larger than the sum of its proper divisors (1).

61135411 is an equidigital number, since it uses as much as digits as its factorization.

61135411 is an evil number, because the sum of its binary digits is even.

The product of its digits is 360, while the sum is 22.

The square root of 61135411 is about 7818.9136713485. The cubic root of 61135411 is about 393.9407844734.

Adding to 61135411 its reverse (11453116), we get a palindrome (72588527).

The spelling of 61135411 in words is "sixty-one million, one hundred thirty-five thousand, four hundred eleven".