2151540214000 has 40 divisors (see below), whose sum is σ = 5202424242288. Its totient is φ = 860616084800.

The previous prime is 2151540213997. The next prime is 2151540214001. The reversal of 2151540214000 is 4120451512.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2151540214001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 537883054 + ... + 537887053.

Almost surely, 2^{2151540214000} is an apocalyptic number.

2151540214000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2151540214000 is an abundant number, since it is smaller than the sum of its proper divisors (3050884028288).

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

2151540214000 is a wasteful number, since it uses less digits than its factorization.

2151540214000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1075770130 (or 1075770114 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

Adding to 2151540214000 its reverse (4120451512), we get a palindrome (2155660665512).

The spelling of 2151540214000 in words is "two trillion, one hundred fifty-one billion, five hundred forty million, two hundred fourteen thousand".