5406111645 has 32 divisors (see below), whose sum is σ = 9439701120. Its totient is φ = 2620151040.

The previous prime is 5406111617. The next prime is 5406111677. The reversal of 5406111645 is 5461116045.

It is not a de Polignac number, because 5406111645 - 2⁷ = 5406111517 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 622191 + ... + 630819.

It is an arithmetic number, because the mean of its divisors is an integer number (294990660).

Almost surely, 2^5406111645 is an apocalyptic number.

5406111645 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5406111645 is a deficient number, since it is larger than the sum of its proper divisors (4033589475).

5406111645 is a wasteful number, since it uses less digits than its factorization.

5406111645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12445.

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 5406111645 is about 73526.2650010185. The cubic root of 5406111645 is about 1755.0722659182.

The spelling of 5406111645 in words is "five billion, four hundred six million, one hundred eleven thousand, six hundred forty-five".