1057895273780 has 24 divisors (see below), whose sum is σ = 2338505342880. Its totient is φ = 400886629920.

The previous prime is 1057895273779. The next prime is 1057895273821. The reversal of 1057895273780 is 873725987501.

It is a super-2 number, since 2×1057895273780² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1391967086 + ... + 1391967845.

It is an arithmetic number, because the mean of its divisors is an integer number (97437722620).

Almost surely, 2^{1057895273780} is an apocalyptic number.

1057895273780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1057895273780 is an abundant number, since it is smaller than the sum of its proper divisors (1280610069100).

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

1057895273780 is a wasteful number, since it uses less digits than its factorization.

1057895273780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2783934959 (or 2783934957 counting only the distinct ones).

The product of its (nonzero) digits is 29635200, while the sum is 62.

The spelling of 1057895273780 in words is "one trillion, fifty-seven billion, eight hundred ninety-five million, two hundred seventy-three thousand, seven hundred eighty".