61235000000000 has 440 divisors, whose sum is σ = 157545992867208. Its totient is φ = 23760000000000.

The previous prime is 61234999999913. The next prime is 61235000000003. The reversal of 61235000000000 is 53216.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61235000000003) by changing a digit.

It is a polite number, since it can be written in 43 ways as a sum of consecutive naturals, for example, 184999999835 + ... + 185000000165.

Almost surely, 2^{61235000000000} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61235000000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78772996433604).

61235000000000 is an abundant number, since it is smaller than the sum of its proper divisors (96310992867208).

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

61235000000000 is an frugal number, since it uses more digits than its factorization.

61235000000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436 (or 375 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 17.

Adding to 61235000000000 its reverse (53216), we get a palindrome (61235000053216).

The spelling of 61235000000000 in words is "sixty-one trillion, two hundred thirty-five billion", and thus it is an aban number.