5156151021 has 48 divisors (see below), whose sum is σ = 8955168768. Its totient is φ = 2796768000.

The previous prime is 5156151001. The next prime is 5156151029. The reversal of 5156151021 is 1201516515.

5156151021 is a `hidden beast` number, since 5 + 15 + 615 + 10 + 21 = 666.

It is not a de Polignac number, because 5156151021 - 2²³ = 5147762413 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5156151029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 68596 + ... + 122546.

It is an arithmetic number, because the mean of its divisors is an integer number (186566016).

Almost surely, 2^5156151021 is an apocalyptic number.

It is an amenable number.

5156151021 is a deficient number, since it is larger than the sum of its proper divisors (3799017747).

5156151021 is a wasteful number, since it uses less digits than its factorization.

5156151021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54042 (or 54039 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 27.

The square root of 5156151021 is about 71806.3438771255. The cubic root of 5156151021 is about 1727.5947531003.

Adding to 5156151021 its reverse (1201516515), we get a palindrome (6357667536).

It can be divided in two parts, 515615 and 1021, that added together give a triangular number (516636 = T₁₀₁₆).

The spelling of 5156151021 in words is "five billion, one hundred fifty-six million, one hundred fifty-one thousand, twenty-one".