1055531074757 has 8 divisors (see below), whose sum is σ = 1119505838616. Its totient is φ = 991765722112.

The previous prime is 1055531074747. The next prime is 1055531074769. The reversal of 1055531074757 is 7574701355501.

It can be written as a sum of positive squares in 4 ways, for example, as 561759244036 + 493771830721 = 749506^2 + 702689^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1055531074757 - 2¹⁰ = 1055531073733 is a prime.

It is a super-2 number, since 2×1055531074757² (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 (1055531074727) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52342418 + ... + 52362579.

It is an arithmetic number, because the mean of its divisors is an integer number (139938229827).

Almost surely, 2^{1055531074757} is an apocalyptic number.

1055531074757 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1055531074757 is a deficient number, since it is larger than the sum of its proper divisors (63974763859).

1055531074757 is a wasteful number, since it uses less digits than its factorization.

1055531074757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104705607.

The product of its (nonzero) digits is 2572500, while the sum is 50.

The spelling of 1055531074757 in words is "one trillion, fifty-five billion, five hundred thirty-one million, seventy-four thousand, seven hundred fifty-seven".