61381124411 has 2 divisors, whose sum is σ = 61381124412. Its totient is φ = 61381124410.

The previous prime is 61381124347. The next prime is 61381124429. The reversal of 61381124411 is 11442118316.

61381124411 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61381124411 - 2⁶ = 61381124347 is a prime.

It is not a weakly prime, because it can be changed into another prime (61381127411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30690562205 + 30690562206.

It is an arithmetic number, because the mean of its divisors is an integer number (30690562206).

Almost surely, 2^61381124411 is an apocalyptic number.

61381124411 is a deficient number, since it is larger than the sum of its proper divisors (1).

61381124411 is an equidigital number, since it uses as much as digits as its factorization.

61381124411 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4608, while the sum is 32.

The spelling of 61381124411 in words is "sixty-one billion, three hundred eighty-one million, one hundred twenty-four thousand, four hundred eleven".