1057150126721 has 24 divisors (see below), whose sum is σ = 1177063433280. Its totient is φ = 943802940960.

The previous prime is 1057150126699. The next prime is 1057150126723. The reversal of 1057150126721 is 1276210517501.

It is not a de Polignac number, because 1057150126721 - 2²⁶ = 1057083017857 is a prime.

It is a super-2 number, since 2×1057150126721² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1057150126723) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22251290 + ... + 22298748.

It is an arithmetic number, because the mean of its divisors is an integer number (49044309720).

Almost surely, 2^{1057150126721} is an apocalyptic number.

It is an amenable number.

1057150126721 is a deficient number, since it is larger than the sum of its proper divisors (119913306559).

1057150126721 is a wasteful number, since it uses less digits than its factorization.

1057150126721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49317 (or 49286 counting only the distinct ones).

The product of its (nonzero) digits is 29400, while the sum is 38.

The spelling of 1057150126721 in words is "one trillion, fifty-seven billion, one hundred fifty million, one hundred twenty-six thousand, seven hundred twenty-one".