61264315154244 has 24 divisors (see below), whose sum is σ = 142950288520480. Its totient is φ = 20421406980864.

The previous prime is 61264315154209. The next prime is 61264315154257. The reversal of 61264315154244 is 44245151346216.

It is a super-2 number, since 2×61264315154244² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 61264315154193 and 61264315154202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5018127 + ... + 12153609.

Almost surely, 2^{61264315154244} is an apocalyptic number.

It is an amenable number.

61264315154244 is an abundant number, since it is smaller than the sum of its proper divisors (81685973366236).

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

61264315154244 is a wasteful number, since it uses less digits than its factorization.

61264315154244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7850979 (or 7850977 counting only the distinct ones).

The product of its digits is 2764800, while the sum is 48.

The spelling of 61264315154244 in words is "sixty-one trillion, two hundred sixty-four billion, three hundred fifteen million, one hundred fifty-four thousand, two hundred forty-four".