1955108611 has 16 divisors (see below), whose sum is σ = 2022478848. Its totient is φ = 1889244000.

The previous prime is 1955108593. The next prime is 1955108671. The reversal of 1955108611 is 1168015591.

It is a cyclic number.

It is not a de Polignac number, because 1955108611 - 2¹¹ = 1955106563 is a prime.

It is a super-4 number, since 4×1955108611⁴ (a number of 38 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1955108671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 737290 + ... + 739936.

It is an arithmetic number, because the mean of its divisors is an integer number (126404928).

Almost surely, 2^1955108611 is an apocalyptic number.

1955108611 is a deficient number, since it is larger than the sum of its proper divisors (67370237).

1955108611 is a wasteful number, since it uses less digits than its factorization.

1955108611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2922.

The product of its (nonzero) digits is 10800, while the sum is 37.

The square root of 1955108611 is about 44216.6101256078. The cubic root of 1955108611 is about 1250.4230271689.

It can be divided in two parts, 195 and 5108611, that added together give a triangular number (5108806 = T₃₁₉₆).

The spelling of 1955108611 in words is "one billion, nine hundred fifty-five million, one hundred eight thousand, six hundred eleven".