5121337785111 has 48 divisors (see below), whose sum is σ = 7933929120000. Its totient is φ = 3176222837760.

The previous prime is 5121337785101. The next prime is 5121337785209. The reversal of 5121337785111 is 1115877331215.

It is a happy number.

5121337785111 is a `hidden beast` number, since 5 + 1 + 213 + 377 + 8 + 51 + 11 = 666.

It is not a de Polignac number, because 5121337785111 - 2¹¹ = 5121337783063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5121337785101) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 470815 + ... + 3234863.

It is an arithmetic number, because the mean of its divisors is an integer number (165290190000).

Almost surely, 2^{5121337785111} is an apocalyptic number.

5121337785111 is a deficient number, since it is larger than the sum of its proper divisors (2812591334889).

5121337785111 is a wasteful number, since it uses less digits than its factorization.

5121337785111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2764344 (or 2764341 counting only the distinct ones).

The product of its digits is 176400, while the sum is 45.

The spelling of 5121337785111 in words is "five trillion, one hundred twenty-one billion, three hundred thirty-seven million, seven hundred eighty-five thousand, one hundred eleven".