1057361919644 has 12 divisors (see below), whose sum is σ = 1851209808000. Its totient is φ = 528444831648.

The previous prime is 1057361919557. The next prime is 1057361919721. The reversal of 1057361919644 is 4469191637501.

It is a super-2 number, since 2×1057361919644² (a number of 25 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (56) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1057361919644.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59021969 + ... + 59039880.

It is an arithmetic number, because the mean of its divisors is an integer number (154267484000).

Almost surely, 2^{1057361919644} is an apocalyptic number.

It is an amenable number.

1057361919644 is a deficient number, since it is larger than the sum of its proper divisors (793847888356).

1057361919644 is a wasteful number, since it uses less digits than its factorization.

1057361919644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118064092 (or 118064090 counting only the distinct ones).

The product of its (nonzero) digits is 4898880, while the sum is 56.

The spelling of 1057361919644 in words is "one trillion, fifty-seven billion, three hundred sixty-one million, nine hundred nineteen thousand, six hundred forty-four".