2151156466004 has 48 divisors (see below), whose sum is σ = 4633737763200. Its totient is φ = 850919216256.

The previous prime is 2151156466003. The next prime is 2151156466027. The reversal of 2151156466004 is 4006646511512.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2151156466001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3288962 + ... + 3888390.

It is an arithmetic number, because the mean of its divisors is an integer number (96536203400).

Almost surely, 2^{2151156466004} is an apocalyptic number.

It is an amenable number.

2151156466004 is an abundant number, since it is smaller than the sum of its proper divisors (2482581297196).

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

2151156466004 is a wasteful number, since it uses less digits than its factorization.

2151156466004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609312 (or 609310 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 41.

The spelling of 2151156466004 in words is "two trillion, one hundred fifty-one billion, one hundred fifty-six million, four hundred sixty-six thousand, four".