1405055555 has 8 divisors (see below), whose sum is σ = 1687020912. Its totient is φ = 1123408288.

The previous prime is 1405055537. The next prime is 1405055557. The reversal of 1405055555 is 5555505041.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1405055555 is a prime.

It is a super-2 number, since 2×1405055555² = 3948362225272716050, which contains 22 as substring.

It is a Duffinian number.

1405055555 is a modest number, since divided by 55555 gives 14050 as remainder.

It is not an unprimeable number, because it can be changed into a prime (1405055557) 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, 69692 + ... + 87561.

It is an arithmetic number, because the mean of its divisors is an integer number (210877614).

Almost surely, 2^1405055555 is an apocalyptic number.

1405055555 is a deficient number, since it is larger than the sum of its proper divisors (281965357).

1405055555 is a wasteful number, since it uses less digits than its factorization.

1405055555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159045.

The product of its (nonzero) digits is 62500, while the sum is 35.

The square root of 1405055555 is about 37484.0706834250. The cubic root of 1405055555 is about 1120.0338943293.

The spelling of 1405055555 in words is "one billion, four hundred five million, fifty-five thousand, five hundred fifty-five".