155662461245263 has 4 divisors (see below), whose sum is σ = 177899955708880. Its totient is φ = 133424966781648.

The previous prime is 155662461245219. The next prime is 155662461245279. The reversal of 155662461245263 is 362542164266551.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 155662461245263 - 2¹³ = 155662461237071 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 155662461245198 and 155662461245207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155662461249263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11118747231798 + ... + 11118747231811.

It is an arithmetic number, because the mean of its divisors is an integer number (44474988927220).

Almost surely, 2^{155662461245263} is an apocalyptic number.

155662461245263 is a deficient number, since it is larger than the sum of its proper divisors (22237494463617).

155662461245263 is an equidigital number, since it uses as much as digits as its factorization.

155662461245263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22237494463616.

The product of its digits is 62208000, while the sum is 58.

The spelling of 155662461245263 in words is "one hundred fifty-five trillion, six hundred sixty-two billion, four hundred sixty-one million, two hundred forty-five thousand, two hundred sixty-three".