155426121624495 has 64 divisors (see below), whose sum is σ = 265243928088960. Its totient is φ = 77444893114368.

The previous prime is 155426121624469. The next prime is 155426121624509. The reversal of 155426121624495 is 594426121624551.

It is a happy number.

It is not a de Polignac number, because 155426121624495 - 2¹⁶ = 155426121558959 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 900992211 + ... + 901164699.

It is an arithmetic number, because the mean of its divisors is an integer number (4144436376390).

Almost surely, 2^{155426121624495} is an apocalyptic number.

155426121624495 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

155426121624495 is a deficient number, since it is larger than the sum of its proper divisors (109817806464465).

155426121624495 is a wasteful number, since it uses less digits than its factorization.

155426121624495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198444.

The product of its digits is 20736000, while the sum is 57.

The spelling of 155426121624495 in words is "one hundred fifty-five trillion, four hundred twenty-six billion, one hundred twenty-one million, six hundred twenty-four thousand, four hundred ninety-five".