55115150145 has 16 divisors (see below), whose sum is σ = 96200989632. Its totient is φ = 26722496960.

The previous prime is 55115150131. The next prime is 55115150149. The reversal of 55115150145 is 54105151155.

55115150145 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 55115150145 - 2⁷ = 55115150017 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 not an unprimeable number, because it can be changed into a prime (55115150149) 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, 167015442 + ... + 167015771.

It is an arithmetic number, because the mean of its divisors is an integer number (6012561852).

Almost surely, 2^55115150145 is an apocalyptic number.

55115150145 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

55115150145 is a deficient number, since it is larger than the sum of its proper divisors (41085839487).

55115150145 is a wasteful number, since it uses less digits than its factorization.

55115150145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334031232.

The product of its (nonzero) digits is 12500, while the sum is 33.

The spelling of 55115150145 in words is "fifty-five billion, one hundred fifteen million, one hundred fifty thousand, one hundred forty-five".