5421011155 has 32 divisors (see below), whose sum is σ = 7764986880. Its totient is φ = 3555446400.

The previous prime is 5421011117. The next prime is 5421011159. The reversal of 5421011155 is 5511101245.

It is not a de Polignac number, because 5421011155 - 2⁷ = 5421011027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5421011159) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40930 + ... + 111880.

It is an arithmetic number, because the mean of its divisors is an integer number (242655840).

Almost surely, 2^5421011155 is an apocalyptic number.

5421011155 is a deficient number, since it is larger than the sum of its proper divisors (2343975725).

5421011155 is a wasteful number, since it uses less digits than its factorization.

5421011155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71059.

The product of its (nonzero) digits is 1000, while the sum is 25.

The square root of 5421011155 is about 73627.5162897676. The cubic root of 5421011155 is about 1756.6831421453.

The spelling of 5421011155 in words is "five billion, four hundred twenty-one million, eleven thousand, one hundred fifty-five".