2151123544514 has 16 divisors (see below), whose sum is σ = 3691149084096. Its totient is φ = 921032910000.

The previous prime is 2151123544501. The next prime is 2151123544613. The reversal of 2151123544514 is 4154453211512.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73083137 + ... + 73112564.

It is an arithmetic number, because the mean of its divisors is an integer number (230696817756).

Almost surely, 2^{2151123544514} is an apocalyptic number.

2151123544514 is a deficient number, since it is larger than the sum of its proper divisors (1540025539582).

2151123544514 is a wasteful number, since it uses less digits than its factorization.

2151123544514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146196761.

The product of its digits is 96000, while the sum is 38.

The spelling of 2151123544514 in words is "two trillion, one hundred fifty-one billion, one hundred twenty-three million, five hundred forty-four thousand, five hundred fourteen".