155006425142261 has 16 divisors (see below), whose sum is σ = 194334399383040. Its totient is φ = 120109455152880.

The previous prime is 155006425142141. The next prime is 155006425142267. The reversal of 155006425142261 is 162241524600551.

It is a cyclic number.

It is not a de Polignac number, because 155006425142261 - 2²² = 155006420947957 is a prime.

It is a super-3 number, since 3×155006425142261³ (a number of 44 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155006425142267) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5623088051 + ... + 5623115616.

It is an arithmetic number, because the mean of its divisors is an integer number (12145899961440).

Almost surely, 2^{155006425142261} is an apocalyptic number.

155006425142261 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

155006425142261 is a deficient number, since it is larger than the sum of its proper divisors (39327974240779).

155006425142261 is a wasteful number, since it uses less digits than its factorization.

155006425142261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11246203864.

The product of its (nonzero) digits is 576000, while the sum is 44.

The spelling of 155006425142261 in words is "one hundred fifty-five trillion, six billion, four hundred twenty-five million, one hundred forty-two thousand, two hundred sixty-one".