155552014350401 has 4 divisors (see below), whose sum is σ = 155557287150804. Its totient is φ = 155546741550000.

The previous prime is 155552014350373. The next prime is 155552014350503. The reversal of 155552014350401 is 104053410255551.

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 113648712178225 + 41903302172176 = 10660615^2 + 6473276^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-155552014350401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (155552014350301) 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, 2636355950 + ... + 2636414951.

It is an arithmetic number, because the mean of its divisors is an integer number (38889321787701).

Almost surely, 2^{155552014350401} is an apocalyptic number.

It is an amenable number.

155552014350401 is a deficient number, since it is larger than the sum of its proper divisors (5272800403).

155552014350401 is an equidigital number, since it uses as much as digits as its factorization.

155552014350401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5272800402.

The product of its (nonzero) digits is 300000, while the sum is 41.

The spelling of 155552014350401 in words is "one hundred fifty-five trillion, five hundred fifty-two billion, fourteen million, three hundred fifty thousand, four hundred one".