261050000106 has 16 divisors (see below), whose sum is σ = 596685714624. Its totient is φ = 74585714304.

The previous prime is 261050000063. The next prime is 261050000149. The reversal of 261050000106 is 601000050162.

It is a happy number.

261050000106 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (261050000063) and next prime (261050000149).

It is a super-2 number, since 2×261050000106² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3107738055 + ... + 3107738138.

It is an arithmetic number, because the mean of its divisors is an integer number (37292857164).

Almost surely, 2^261050000106 is an apocalyptic number.

261050000106 is an abundant number, since it is smaller than the sum of its proper divisors (335635714518).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

261050000106 is a wasteful number, since it uses less digits than its factorization.

261050000106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6215476205.

The product of its (nonzero) digits is 360, while the sum is 21.

Adding to 261050000106 its reverse (601000050162), we get a palindrome (862050050268).

The spelling of 261050000106 in words is "two hundred sixty-one billion, fifty million, one hundred six", and thus it is an aban number.