2151085106384 has 80 divisors (see below), whose sum is σ = 4520222651520. Its totient is φ = 988596026880.

The previous prime is 2151085106329. The next prime is 2151085106393. The reversal of 2151085106384 is 4836015801512.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1774154 + ... + 2729430.

It is an arithmetic number, because the mean of its divisors is an integer number (56502783144).

Almost surely, 2^{2151085106384} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2151085106384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2260111325760).

2151085106384 is an abundant number, since it is smaller than the sum of its proper divisors (2369137545136).

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

2151085106384 is a wasteful number, since it uses less digits than its factorization.

2151085106384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 955548 (or 955542 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 44.

The spelling of 2151085106384 in words is "two trillion, one hundred fifty-one billion, eighty-five million, one hundred six thousand, three hundred eighty-four".