1057694251077 has 12 divisors (see below), whose sum is σ = 1584365051360. Its totient is φ = 705129500556.

The previous prime is 1057694251067. The next prime is 1057694251099. The reversal of 1057694251077 is 7701524967501.

1057694251077 is a `hidden beast` number, since 1 + 0 + 57 + 6 + 9 + 4 + 2 + 510 + 77 = 666.

It is not a de Polignac number, because 1057694251077 - 2³⁹ = 507938437189 is a prime.

It is a super-2 number, since 2×1057694251077² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1057694251027) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2176325377 + ... + 2176325862.

Almost surely, 2^{1057694251077} is an apocalyptic number.

It is an amenable number.

1057694251077 is a deficient number, since it is larger than the sum of its proper divisors (526670800283).

1057694251077 is an frugal number, since it uses more digits than its factorization.

1057694251077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4352651254 (or 4352651242 counting only the distinct ones).

The product of its (nonzero) digits is 3704400, while the sum is 54.

The spelling of 1057694251077 in words is "one trillion, fifty-seven billion, six hundred ninety-four million, two hundred fifty-one thousand, seventy-seven".