61260122775 has 48 divisors (see below), whose sum is σ = 102994657920. Its totient is φ = 32124643200.

The previous prime is 61260122773. The next prime is 61260122789. The reversal of 61260122775 is 57722106216.

61260122775 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 61260122775 - 2¹ = 61260122773 is a prime.

It is a congruent 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 47 ways as a sum of consecutive naturals, for example, 1042324 + ... + 1099526.

It is an arithmetic number, because the mean of its divisors is an integer number (2145722040).

Almost surely, 2^61260122775 is an apocalyptic number.

61260122775 is a deficient number, since it is larger than the sum of its proper divisors (41734535145).

61260122775 is a wasteful number, since it uses less digits than its factorization.

61260122775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57456 (or 57451 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 39.

The spelling of 61260122775 in words is "sixty-one billion, two hundred sixty million, one hundred twenty-two thousand, seven hundred seventy-five".