155120245006641 has 16 divisors (see below), whose sum is σ = 210762613166976. Its totient is φ = 101446302013056.

The previous prime is 155120245006583. The next prime is 155120245006669. The reversal of 155120245006641 is 146600542021551.

It is a happy number.

It is not a de Polignac number, because 155120245006641 - 2⁴⁷ = 14382756651313 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 155120245006593 and 155120245006602.

It is not an unprimeable number, because it can be changed into a prime (155120245006841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75895060 + ... + 77912133.

It is an arithmetic number, because the mean of its divisors is an integer number (13172663322936).

Almost surely, 2^{155120245006641} is an apocalyptic number.

It is an amenable number.

155120245006641 is a deficient number, since it is larger than the sum of its proper divisors (55642368160335).

155120245006641 is a wasteful number, since it uses less digits than its factorization.

155120245006641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153813592.

The product of its (nonzero) digits is 288000, while the sum is 42.

The spelling of 155120245006641 in words is "one hundred fifty-five trillion, one hundred twenty billion, two hundred forty-five million, six thousand, six hundred forty-one".