1055611331005 has 64 divisors (see below), whose sum is σ = 1589783021568. Its totient is φ = 653681352960.

The previous prime is 1055611330937. The next prime is 1055611331057. The reversal of 1055611331005 is 5001331165501.

It is a happy number.

It is not a de Polignac number, because 1055611331005 - 2⁷ = 1055611330877 is a prime.

It is a super-2 number, since 2×1055611331005² (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 63 ways as a sum of consecutive naturals, for example, 211670122 + ... + 211675108.

It is an arithmetic number, because the mean of its divisors is an integer number (24840359712).

Almost surely, 2^{1055611331005} is an apocalyptic number.

It is an amenable number.

1055611331005 is a deficient number, since it is larger than the sum of its proper divisors (534171690563).

1055611331005 is a wasteful number, since it uses less digits than its factorization.

1055611331005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8546.

The product of its (nonzero) digits is 6750, while the sum is 31.

Adding to 1055611331005 its reverse (5001331165501), we get a palindrome (6056942496506).

The spelling of 1055611331005 in words is "one trillion, fifty-five billion, six hundred eleven million, three hundred thirty-one thousand, five".