61301321352 has 48 divisors (see below), whose sum is σ = 166116440880. Its totient is φ = 20422447200.

The previous prime is 61301321329. The next prime is 61301321381. The reversal of 61301321352 is 25312310316.

61301321352 is a `hidden beast` number, since 6 + 1 + 301 + 3 + 2 + 1 + 352 = 666.

It is a super-2 number, since 2×61301321352² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 104674 + ... + 365457.

It is an arithmetic number, because the mean of its divisors is an integer number (3460759185).

Almost surely, 2^61301321352 is an apocalyptic number.

It is an amenable number.

61301321352 is an abundant number, since it is smaller than the sum of its proper divisors (104815119528).

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

61301321352 is a wasteful number, since it uses less digits than its factorization.

61301321352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471954 (or 471947 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

Adding to 61301321352 its reverse (25312310316), we get a palindrome (86613631668).

The spelling of 61301321352 in words is "sixty-one billion, three hundred one million, three hundred twenty-one thousand, three hundred fifty-two".