61057228148 has 24 divisors (see below), whose sum is σ = 122119741632. Its totient is φ = 26166250944.

The previous prime is 61057228109. The next prime is 61057228153. The reversal of 61057228148 is 84182275016.

It is a super-3 number, since 3×61057228148³ (a number of 33 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 61057228099 and 61057228108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1103840 + ... + 1157832.

It is an arithmetic number, because the mean of its divisors is an integer number (5088322568).

Almost surely, 2^61057228148 is an apocalyptic number.

It is an amenable number.

61057228148 is an abundant number, since it is smaller than the sum of its proper divisors (61062513484).

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

61057228148 is a wasteful number, since it uses less digits than its factorization.

61057228148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94391 (or 94389 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 44.

The spelling of 61057228148 in words is "sixty-one billion, fifty-seven million, two hundred twenty-eight thousand, one hundred forty-eight".