61141419987 has 8 divisors (see below), whose sum is σ = 85812519360. Its totient is φ = 38615633640.

The previous prime is 61141419979. The next prime is 61141420003. The reversal of 61141419987 is 78991414116.

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

It is not a de Polignac number, because 61141419987 - 2³ = 61141419979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61141419907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 536328189 + ... + 536328302.

It is an arithmetic number, because the mean of its divisors is an integer number (10726564920).

Almost surely, 2^61141419987 is an apocalyptic number.

61141419987 is a deficient number, since it is larger than the sum of its proper divisors (24671099373).

61141419987 is a wasteful number, since it uses less digits than its factorization.

61141419987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1072656513.

The product of its digits is 435456, while the sum is 51.

The spelling of 61141419987 in words is "sixty-one billion, one hundred forty-one million, four hundred nineteen thousand, nine hundred eighty-seven".