61231962755 has 8 divisors (see below), whose sum is σ = 75848625024. Its totient is φ = 47405390400.

The previous prime is 61231962751. The next prime is 61231962763. The reversal of 61231962755 is 55726913216.

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

It is not a de Polignac number, because 61231962755 - 2² = 61231962751 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61231962751) 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, 197522306 + ... + 197522615.

It is an arithmetic number, because the mean of its divisors is an integer number (9481078128).

Almost surely, 2^61231962755 is an apocalyptic number.

61231962755 is a deficient number, since it is larger than the sum of its proper divisors (14616662269).

61231962755 is a wasteful number, since it uses less digits than its factorization.

61231962755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395044957.

The product of its digits is 680400, while the sum is 47.

The spelling of 61231962755 in words is "sixty-one billion, two hundred thirty-one million, nine hundred sixty-two thousand, seven hundred fifty-five".