155532141235551 has 8 divisors (see below), whose sum is σ = 209429417901744. Its totient is φ = 102661479363200.

The previous prime is 155532141235547. The next prime is 155532141235651.

155532141235551 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 155532141235551 - 2² = 155532141235547 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 155532141235551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155532141235511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 256653698106 + ... + 256653698711.

It is an arithmetic number, because the mean of its divisors is an integer number (26178677237718).

Almost surely, 2^{155532141235551} is an apocalyptic number.

155532141235551 is a deficient number, since it is larger than the sum of its proper divisors (53897276666193).

155532141235551 is a wasteful number, since it uses less digits than its factorization.

155532141235551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513307396921.

The product of its digits is 2250000, while the sum is 48.

The spelling of 155532141235551 in words is "one hundred fifty-five trillion, five hundred thirty-two billion, one hundred forty-one million, two hundred thirty-five thousand, five hundred fifty-one".