5101366941261 has 40 divisors (see below), whose sum is σ = 7648123944384. Its totient is φ = 3388632287040.

The previous prime is 5101366941247. The next prime is 5101366941269. The reversal of 5101366941261 is 1621496631015.

5101366941261 is a `hidden beast` number, since 510 + 1 + 3 + 6 + 6 + 9 + 4 + 126 + 1 = 666.

It is not a de Polignac number, because 5101366941261 - 2⁶ = 5101366941197 is a prime.

It is a super-2 number, since 2×5101366941261² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5101366941269) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 25036966 + ... + 25239896.

Almost surely, 2^{5101366941261} is an apocalyptic number.

It is an amenable number.

5101366941261 is a deficient number, since it is larger than the sum of its proper divisors (2546757003123).

5101366941261 is a wasteful number, since it uses less digits than its factorization.

5101366941261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204063 (or 204054 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The spelling of 5101366941261 in words is "five trillion, one hundred one billion, three hundred sixty-six million, nine hundred forty-one thousand, two hundred sixty-one".