5155020135531 has 48 divisors (see below), whose sum is σ = 8516606874048. Its totient is φ = 2943396403200.

The previous prime is 5155020135491. The next prime is 5155020135533. The reversal of 5155020135531 is 1355310205515.

5155020135531 is a `hidden beast` number, since 5 + 1 + 550 + 20 + 1 + 3 + 55 + 31 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-5155020135531 is a prime.

It is a super-2 number, since 2×5155020135531² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5155020135533) 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, 795401811 + ... + 795408291.

It is an arithmetic number, because the mean of its divisors is an integer number (177429309876).

Almost surely, 2^{5155020135531} is an apocalyptic number.

5155020135531 is a deficient number, since it is larger than the sum of its proper divisors (3361586738517).

5155020135531 is a wasteful number, since it uses less digits than its factorization.

5155020135531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14532 (or 14529 counting only the distinct ones).

The product of its (nonzero) digits is 56250, while the sum is 36.

The spelling of 5155020135531 in words is "five trillion, one hundred fifty-five billion, twenty million, one hundred thirty-five thousand, five hundred thirty-one".