2151014550516 has 144 divisors (see below), whose sum is σ = 5887468973568. Its totient is φ = 658246176000.

The previous prime is 2151014550463. The next prime is 2151014550523. The reversal of 2151014550516 is 6150554101512.

2151014550516 is a `hidden beast` number, since 2 + 1 + 5 + 1 + 0 + 145 + 505 + 1 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 154731166 + ... + 154745066.

Almost surely, 2^{2151014550516} is an apocalyptic number.

2151014550516 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2151014550516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2943734486784).

2151014550516 is an abundant number, since it is smaller than the sum of its proper divisors (3736454423052).

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

2151014550516 is a wasteful number, since it uses less digits than its factorization.

2151014550516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15702 (or 15697 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 36.

The spelling of 2151014550516 in words is "two trillion, one hundred fifty-one billion, fourteen million, five hundred fifty thousand, five hundred sixteen".