155016036001 has 4 divisors (see below), whose sum is σ = 164134626372. Its totient is φ = 145897445632.

The previous prime is 155016035983. The next prime is 155016036029. The reversal of 155016036001 is 100630610551.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 44409240225 + 110606795776 = 210735^2 + 332576^2 .

It is a cyclic number.

It is not a de Polignac number, because 155016036001 - 2²⁵ = 154982481569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (155016036401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4559295160 + ... + 4559295193.

It is an arithmetic number, because the mean of its divisors is an integer number (41033656593).

Almost surely, 2^155016036001 is an apocalyptic number.

It is an amenable number.

155016036001 is a deficient number, since it is larger than the sum of its proper divisors (9118590371).

155016036001 is an equidigital number, since it uses as much as digits as its factorization.

155016036001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9118590370.

The product of its (nonzero) digits is 2700, while the sum is 28.

Adding to 155016036001 its reverse (100630610551), we get a palindrome (255646646552).

The spelling of 155016036001 in words is "one hundred fifty-five billion, sixteen million, thirty-six thousand, one".