61015411 has 2 divisors, whose sum is σ = 61015412. Its totient is φ = 61015410.

The previous prime is 61015399. The next prime is 61015429. The reversal of 61015411 is 11451016.

61015411 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61015411 is a prime.

It is not a weakly prime, because it can be changed into another prime (61015811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30507705 + 30507706.

It is an arithmetic number, because the mean of its divisors is an integer number (30507706).

Almost surely, 2^61015411 is an apocalyptic number.

61015411 is a deficient number, since it is larger than the sum of its proper divisors (1).

61015411 is an equidigital number, since it uses as much as digits as its factorization.

61015411 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120, while the sum is 19.

The square root of 61015411 is about 7811.2362017801. The cubic root of 61015411 is about 393.6828659878.

Adding to 61015411 its reverse (11451016), we get a palindrome (72466427).

The spelling of 61015411 in words is "sixty-one million, fifteen thousand, four hundred eleven".