1051106611555 has 32 divisors (see below), whose sum is σ = 1693531219968. Its totient is φ = 604832572800.

The previous prime is 1051106611519. The next prime is 1051106611567. The reversal of 1051106611555 is 5551166011501.

It is not a de Polignac number, because 1051106611555 - 2²³ = 1051098222947 is a prime.

It is a super-2 number, since 2×1051106611555² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 105000651 + ... + 105010660.

It is an arithmetic number, because the mean of its divisors is an integer number (52922850624).

Almost surely, 2^{1051106611555} is an apocalyptic number.

1051106611555 is a deficient number, since it is larger than the sum of its proper divisors (642424608413).

1051106611555 is a wasteful number, since it uses less digits than its factorization.

1051106611555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210011347.

The product of its (nonzero) digits is 22500, while the sum is 37.

It can be divided in two parts, 1051106 and 611555, that added together give a palindrome (1662661).

The spelling of 1051106611555 in words is "one trillion, fifty-one billion, one hundred six million, six hundred eleven thousand, five hundred fifty-five".