1057501761678 has 32 divisors (see below), whose sum is σ = 2413517538720. Its totient is φ = 342973543680.

The previous prime is 1057501761637. The next prime is 1057501761697. The reversal of 1057501761678 is 8761671057501.

1057501761678 is a `hidden beast` number, since 1 + 0 + 5 + 7 + 5 + 0 + 17 + 616 + 7 + 8 = 666.

It is a super-2 number, since 2×1057501761678² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 264638083 + ... + 264642078.

It is an arithmetic number, because the mean of its divisors is an integer number (75422423085).

Almost surely, 2^{1057501761678} is an apocalyptic number.

1057501761678 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1057501761678 is an abundant number, since it is smaller than the sum of its proper divisors (1356015777042).

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

1057501761678 is a wasteful number, since it uses less digits than its factorization.

1057501761678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529280209 (or 529280203 counting only the distinct ones).

The product of its (nonzero) digits is 2469600, while the sum is 54.

The spelling of 1057501761678 in words is "one trillion, fifty-seven billion, five hundred one million, seven hundred sixty-one thousand, six hundred seventy-eight".