50000000106261 has 4 divisors (see below), whose sum is σ = 66666666808352. Its totient is φ = 33333333404172.

The previous prime is 50000000106257. The next prime is 50000000106283. The reversal of 50000000106261 is 16260100000005.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 50000000106261 - 2² = 50000000106257 is a prime.

It is a super-2 number, since 2×50000000106261² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50000000105261) 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, 8333333351041 + ... + 8333333351046.

It is an arithmetic number, because the mean of its divisors is an integer number (16666666702088).

Almost surely, 2^{50000000106261} is an apocalyptic number.

It is an amenable number.

50000000106261 is a deficient number, since it is larger than the sum of its proper divisors (16666666702091).

50000000106261 is a wasteful number, since it uses less digits than its factorization.

50000000106261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16666666702090.

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

Adding to 50000000106261 its reverse (16260100000005), we get a palindrome (66260100106266).

The spelling of 50000000106261 in words is "fifty trillion, one hundred six thousand, two hundred sixty-one".