155206260061 has 8 divisors (see below), whose sum is σ = 156399283040. Its totient is φ = 154014329232.

The previous prime is 155206260031. The next prime is 155206260109. The reversal of 155206260061 is 160062602551.

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 155206260061 - 2⁷ = 155206259933 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 155206259999 and 155206260026.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155206260031) 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, 13426 + ... + 557308.

It is an arithmetic number, because the mean of its divisors is an integer number (19549910380).

Almost surely, 2^155206260061 is an apocalyptic number.

It is an amenable number.

155206260061 is a deficient number, since it is larger than the sum of its proper divisors (1193022979).

155206260061 is a wasteful number, since it uses less digits than its factorization.

155206260061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546075.

The product of its (nonzero) digits is 21600, while the sum is 34.

The spelling of 155206260061 in words is "one hundred fifty-five billion, two hundred six million, two hundred sixty thousand, sixty-one".