57155465798378 has 16 divisors (see below), whose sum is σ = 91129543330824. Its totient is φ = 26792033402880.

The previous prime is 57155465798311. The next prime is 57155465798383. The reversal of 57155465798378 is 87389756455175.

It can be written as a sum of positive squares in 4 ways, for example, as 54828886050409 + 2326579747969 = 7404653^2 + 1525313^2 .

It is a super-3 number, since 3×57155465798378³ (a number of 42 digits) contains 333 as substring.

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, 3270503153 + ... + 3270520628.

Almost surely, 2^{57155465798378} is an apocalyptic number.

57155465798378 is a deficient number, since it is larger than the sum of its proper divisors (33974077532446).

57155465798378 is a wasteful number, since it uses less digits than its factorization.

57155465798378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6541024057.

The product of its digits is 8890560000, while the sum is 80.

The spelling of 57155465798378 in words is "fifty-seven trillion, one hundred fifty-five billion, four hundred sixty-five million, seven hundred ninety-eight thousand, three hundred seventy-eight".