2151510876813 has 32 divisors (see below), whose sum is σ = 2924862625152. Its totient is φ = 1406450073600.

The previous prime is 2151510876787. The next prime is 2151510876847. The reversal of 2151510876813 is 3186780151512.

It is a happy number.

It is not a de Polignac number, because 2151510876813 - 2¹³ = 2151510868621 is a prime.

It is a super-2 number, since 2×2151510876813² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2151510876883) 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 31 ways as a sum of consecutive naturals, for example, 280104333 + ... + 280112013.

It is an arithmetic number, because the mean of its divisors is an integer number (91401957036).

Almost surely, 2^{2151510876813} is an apocalyptic number.

It is an amenable number.

2151510876813 is a deficient number, since it is larger than the sum of its proper divisors (773351748339).

2151510876813 is a wasteful number, since it uses less digits than its factorization.

2151510876813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13965.

The product of its (nonzero) digits is 403200, while the sum is 48.

The spelling of 2151510876813 in words is "two trillion, one hundred fifty-one billion, five hundred ten million, eight hundred seventy-six thousand, eight hundred thirteen".