1105948351 has 4 divisors (see below), whose sum is σ = 1106021304. Its totient is φ = 1105875400.

The previous prime is 1105948339. The next prime is 1105948367. The reversal of 1105948351 is 1538495011.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1538495011 = 21101 ⋅72911.

It is a cyclic number.

It is not a de Polignac number, because 1105948351 - 2²⁵ = 1072393919 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1105948351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1105948301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4240 + ... + 47221.

It is an arithmetic number, because the mean of its divisors is an integer number (276505326).

Almost surely, 2^1105948351 is an apocalyptic number.

1105948351 is a deficient number, since it is larger than the sum of its proper divisors (72953).

1105948351 is an equidigital number, since it uses as much as digits as its factorization.

1105948351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72952.

The product of its (nonzero) digits is 21600, while the sum is 37.

The square root of 1105948351 is about 33255.8017645042. The cubic root of 1105948351 is about 1034.1374880000.

The spelling of 1105948351 in words is "one billion, one hundred five million, nine hundred forty-eight thousand, three hundred fifty-one".