155247858263 has 16 divisors (see below), whose sum is σ = 164361747456. Its totient is φ = 146333066880.

The previous prime is 155247858251. The next prime is 155247858281. The reversal of 155247858263 is 362858742551.

155247858263 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 155247858263 - 2¹⁰ = 155247857239 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 155247858199 and 155247858208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155247857263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3385295 + ... + 3430847.

It is an arithmetic number, because the mean of its divisors is an integer number (10272609216).

Almost surely, 2^155247858263 is an apocalyptic number.

155247858263 is a deficient number, since it is larger than the sum of its proper divisors (9113889193).

155247858263 is a wasteful number, since it uses less digits than its factorization.

155247858263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47734.

The product of its digits is 16128000, while the sum is 56.

It can be divided in two parts, 15524 and 7858263, that added together give a palindrome (7873787).

The spelling of 155247858263 in words is "one hundred fifty-five billion, two hundred forty-seven million, eight hundred fifty-eight thousand, two hundred sixty-three".