57781501708130 has 16 divisors (see below), whose sum is σ = 104006887710264. Its totient is φ = 23112559653120.

The previous prime is 57781501708121. The next prime is 57781501708157. The reversal of 57781501708130 is 3180710518775.

It can be written as a sum of positive squares in 4 ways, for example, as 57748646158009 + 32855550121 = 7599253^2 + 181261^2 .

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, 1152260 + ... + 10811600.

Almost surely, 2^{57781501708130} is an apocalyptic number.

57781501708130 is a deficient number, since it is larger than the sum of its proper divisors (46225386002134).

57781501708130 is a wasteful number, since it uses less digits than its factorization.

57781501708130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10257541.

The product of its (nonzero) digits is 1646400, while the sum is 53.

The spelling of 57781501708130 in words is "fifty-seven trillion, seven hundred eighty-one billion, five hundred one million, seven hundred eight thousand, one hundred thirty".