155848360140401 has 4 divisors (see below), whose sum is σ = 156095346448704. Its totient is φ = 155601373832100.

The previous prime is 155848360140377. The next prime is 155848360140409. The reversal of 155848360140401 is 104041063848551.

155848360140401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-155848360140401 is a prime.

It is a super-2 number, since 2×155848360140401² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 155848360140401.

It is not an unprimeable number, because it can be changed into a prime (155848360140409) 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, 123493153205 + ... + 123493154466.

It is an arithmetic number, because the mean of its divisors is an integer number (39023836612176).

Almost surely, 2^{155848360140401} is an apocalyptic number.

It is an amenable number.

155848360140401 is a deficient number, since it is larger than the sum of its proper divisors (246986308303).

155848360140401 is an equidigital number, since it uses as much as digits as its factorization.

155848360140401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246986308302.

The product of its (nonzero) digits is 1843200, while the sum is 50.

The spelling of 155848360140401 in words is "one hundred fifty-five trillion, eight hundred forty-eight billion, three hundred sixty million, one hundred forty thousand, four hundred one".