2151516105351 has 48 divisors (see below), whose sum is σ = 3296475468000. Its totient is φ = 1347543742464.

The previous prime is 2151516105289. The next prime is 2151516105391. The reversal of 2151516105351 is 1535016151512.

2151516105351 is a `hidden beast` number, since 2 + 1 + 5 + 1 + 5 + 1 + 610 + 5 + 35 + 1 = 666.

It is not a de Polignac number, because 2151516105351 - 2⁶ = 2151516105287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2151516105391) 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, 255550620 + ... + 255559038.

It is an arithmetic number, because the mean of its divisors is an integer number (68676572250).

Almost surely, 2^{2151516105351} is an apocalyptic number.

2151516105351 is a deficient number, since it is larger than the sum of its proper divisors (1144959362649).

2151516105351 is a wasteful number, since it uses less digits than its factorization.

2151516105351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11248 (or 11245 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 36.

The spelling of 2151516105351 in words is "two trillion, one hundred fifty-one billion, five hundred sixteen million, one hundred five thousand, three hundred fifty-one".