61260122761 has 8 divisors (see below), whose sum is σ = 64929129984. Its totient is φ = 57598390080.

The previous prime is 61260122747. The next prime is 61260122771. The reversal of 61260122761 is 16722106216.

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

It is a cyclic number.

It is not a de Polignac number, because 61260122761 - 2⁷ = 61260122633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61260122771) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1801285 + ... + 1834978.

It is an arithmetic number, because the mean of its divisors is an integer number (8116141248).

Almost surely, 2^61260122761 is an apocalyptic number.

It is an amenable number.

61260122761 is a deficient number, since it is larger than the sum of its proper divisors (3669007223).

61260122761 is a wasteful number, since it uses less digits than its factorization.

61260122761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3637271.

The product of its (nonzero) digits is 12096, while the sum is 34.

Adding to 61260122761 its reverse (16722106216), we get a palindrome (77982228977).

The spelling of 61260122761 in words is "sixty-one billion, two hundred sixty million, one hundred twenty-two thousand, seven hundred sixty-one".