2151510151512 has 16 divisors (see below), whose sum is σ = 5378775378840. Its totient is φ = 717170050496.

The previous prime is 2151510151499. The next prime is 2151510151517.

2151510151512 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×2151510151512² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2151510151512.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2151510151517) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44823128133 + ... + 44823128180.

Almost surely, 2^{2151510151512} is an apocalyptic number.

It is an amenable number.

2151510151512 is an abundant number, since it is smaller than the sum of its proper divisors (3227265227328).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2151510151512 is a wasteful number, since it uses less digits than its factorization.

2151510151512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89646256322 (or 89646256318 counting only the distinct ones).

The product of its (nonzero) digits is 2500, while the sum is 30.

The spelling of 2151510151512 in words is "two trillion, one hundred fifty-one billion, five hundred ten million, one hundred fifty-one thousand, five hundred twelve".