155425611 has 16 divisors (see below), whose sum is σ = 239372928. Its totient is φ = 88656000.

The previous prime is 155425609. The next prime is 155425631. The reversal of 155425611 is 116524551.

155425611 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 155425611 - 2¹ = 155425609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (155425631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137965 + ... + 139086.

It is an arithmetic number, because the mean of its divisors is an integer number (14960808).

Almost surely, 2^155425611 is an apocalyptic number.

155425611 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

155425611 is a deficient number, since it is larger than the sum of its proper divisors (83947317).

155425611 is a wasteful number, since it uses less digits than its factorization.

155425611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277082.

The product of its digits is 6000, while the sum is 30.

The square root of 155425611 is about 12466.9808293748. The cubic root of 155425611 is about 537.6597524786.

The spelling of 155425611 in words is "one hundred fifty-five million, four hundred twenty-five thousand, six hundred eleven".