61077101152 has 48 divisors (see below), whose sum is σ = 127978713072. Its totient is φ = 28593192960.

The previous prime is 61077101119. The next prime is 61077101153. The reversal of 61077101152 is 25110177016.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61077101153) 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, 185874 + ... + 395857.

It is an arithmetic number, because the mean of its divisors is an integer number (2666223189).

Almost surely, 2^61077101152 is an apocalyptic number.

It is an amenable number.

61077101152 is an abundant number, since it is smaller than the sum of its proper divisors (66901611920).

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

61077101152 is a wasteful number, since it uses less digits than its factorization.

61077101152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581951 (or 581943 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 31.

Adding to 61077101152 its reverse (25110177016), we get a palindrome (86187278168).

The spelling of 61077101152 in words is "sixty-one billion, seventy-seven million, one hundred one thousand, one hundred fifty-two".