1057715343820 has 24 divisors (see below), whose sum is σ = 2221239148128. Its totient is φ = 423079104000.

The previous prime is 1057715343791. The next prime is 1057715343821. The reversal of 1057715343820 is 283435177501.

It is a super-2 number, since 2×1057715343820² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1057715343821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 891900 + ... + 1706140.

It is an arithmetic number, because the mean of its divisors is an integer number (92551631172).

Almost surely, 2^{1057715343820} is an apocalyptic number.

1057715343820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1057715343820 is an abundant number, since it is smaller than the sum of its proper divisors (1163523804308).

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

1057715343820 is a wasteful number, since it uses less digits than its factorization.

1057715343820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 879201 (or 879199 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 46.

The spelling of 1057715343820 in words is "one trillion, fifty-seven billion, seven hundred fifteen million, three hundred forty-three thousand, eight hundred twenty".