61357936242 has 8 divisors (see below), whose sum is σ = 122715872496. Its totient is φ = 20452645412.

The previous prime is 61357936193. The next prime is 61357936259. The reversal of 61357936242 is 24263975316.

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

61357936242 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 61357936191 and 61357936200.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5113161348 + ... + 5113161359.

It is an arithmetic number, because the mean of its divisors is an integer number (15339484062).

Almost surely, 2^61357936242 is an apocalyptic number.

61357936242 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61357936242 is a wasteful number, since it uses less digits than its factorization.

61357936242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10226322712.

The product of its digits is 1632960, while the sum is 48.

The spelling of 61357936242 in words is "sixty-one billion, three hundred fifty-seven million, nine hundred thirty-six thousand, two hundred forty-two".