1055101101555 has 64 divisors (see below), whose sum is σ = 1747446460416. Its totient is φ = 543062016000.

The previous prime is 1055101101547. The next prime is 1055101101589. The reversal of 1055101101555 is 5551011015501.

It is a happy number.

It is not a de Polignac number, because 1055101101555 - 2³ = 1055101101547 is a prime.

It is a super-2 number, since 2×1055101101555² (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 63 ways as a sum of consecutive naturals, for example, 313923075 + ... + 313926435.

It is an arithmetic number, because the mean of its divisors is an integer number (27303850944).

Almost surely, 2^{1055101101555} is an apocalyptic number.

1055101101555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1055101101555 is a deficient number, since it is larger than the sum of its proper divisors (692345358861).

1055101101555 is a wasteful number, since it uses less digits than its factorization.

1055101101555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5068.

The product of its (nonzero) digits is 3125, while the sum is 30.

The spelling of 1055101101555 in words is "one trillion, fifty-five billion, one hundred one million, one hundred one thousand, five hundred fifty-five".