61265088278 has 16 divisors (see below), whose sum is σ = 92394639360. Its totient is φ = 30467322216.

The previous prime is 61265088271. The next prime is 61265088281. The reversal of 61265088278 is 87288056216.

It is a super-2 number, since 2×61265088278² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61265088271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163601 + ... + 386387.

It is an arithmetic number, because the mean of its divisors is an integer number (5774664960).

Almost surely, 2^61265088278 is an apocalyptic number.

61265088278 is a deficient number, since it is larger than the sum of its proper divisors (31129551082).

61265088278 is a wasteful number, since it uses less digits than its factorization.

61265088278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223531.

The product of its (nonzero) digits is 2580480, while the sum is 53.

The spelling of 61265088278 in words is "sixty-one billion, two hundred sixty-five million, eighty-eight thousand, two hundred seventy-eight".