1057421154068 has 24 divisors (see below), whose sum is σ = 1855608871200. Its totient is φ = 527248152288.

The previous prime is 1057421154029. The next prime is 1057421154109. The reversal of 1057421154068 is 8604511247501.

It is a super-2 number, since 2×1057421154068² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4337846 + ... + 4575122.

It is an arithmetic number, because the mean of its divisors is an integer number (77317036300).

Almost surely, 2^{1057421154068} is an apocalyptic number.

It is an amenable number.

1057421154068 is a deficient number, since it is larger than the sum of its proper divisors (798187717132).

1057421154068 is a wasteful number, since it uses less digits than its factorization.

1057421154068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240359 (or 240357 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 44.

The spelling of 1057421154068 in words is "one trillion, fifty-seven billion, four hundred twenty-one million, one hundred fifty-four thousand, sixty-eight".