1105155401 has 8 divisors (see below), whose sum is σ = 1264700544. Its totient is φ = 946026720.

The previous prime is 1105155383. The next prime is 1105155407. The reversal of 1105155401 is 1045515011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1105155401 - 2²² = 1100961097 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1105155407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98405 + ... + 109058.

It is an arithmetic number, because the mean of its divisors is an integer number (158087568).

Almost surely, 2^1105155401 is an apocalyptic number.

It is an amenable number.

1105155401 is a deficient number, since it is larger than the sum of its proper divisors (159545143).

1105155401 is an equidigital number, since it uses as much as digits as its factorization.

1105155401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208231.

The product of its (nonzero) digits is 500, while the sum is 23.

The square root of 1105155401 is about 33243.8776468691. The cubic root of 1105155401 is about 1033.8902747134.

The spelling of 1105155401 in words is "one billion, one hundred five million, one hundred fifty-five thousand, four hundred one".