155426624551 has 8 divisors (see below), whose sum is σ = 170444049408. Its totient is φ = 140557155000.

The previous prime is 155426624543. The next prime is 155426624579.

155426624551 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 155426624551 - 2³ = 155426624543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155426624501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36986625 + ... + 36990826.

It is an arithmetic number, because the mean of its divisors is an integer number (21305506176).

Almost surely, 2^155426624551 is an apocalyptic number.

155426624551 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

155426624551 is a deficient number, since it is larger than the sum of its proper divisors (15017424857).

155426624551 is a wasteful number, since it uses less digits than its factorization.

155426624551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73977653.

The product of its digits is 1440000, while the sum is 46.

It can be divided in two parts, 155426 and 624551, that added together give a palindrome (779977).

The spelling of 155426624551 in words is "one hundred fifty-five billion, four hundred twenty-six million, six hundred twenty-four thousand, five hundred fifty-one".