61541611413 has 8 divisors (see below), whose sum is σ = 86882275008. Its totient is φ = 38614344384.

The previous prime is 61541611393. The next prime is 61541611421. The reversal of 61541611413 is 31411614516.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 61541611413 - 2⁹ = 61541610901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61541611423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 603349081 + ... + 603349182.

It is an arithmetic number, because the mean of its divisors is an integer number (10860284376).

Almost surely, 2^61541611413 is an apocalyptic number.

It is an amenable number.

61541611413 is a deficient number, since it is larger than the sum of its proper divisors (25340663595).

61541611413 is a wasteful number, since it uses less digits than its factorization.

61541611413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1206698283.

The product of its digits is 8640, while the sum is 33.

The spelling of 61541611413 in words is "sixty-one billion, five hundred forty-one million, six hundred eleven thousand, four hundred thirteen".