2112578087151 has 32 divisors (see below), whose sum is σ = 3308802703360. Its totient is φ = 1173825735264.

The previous prime is 2112578087101. The next prime is 2112578087189. The reversal of 2112578087151 is 1517808752112.

It is not a de Polignac number, because 2112578087151 - 2¹³ = 2112578078959 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2112578087151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112578087101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5044171 + ... + 5446908.

It is an arithmetic number, because the mean of its divisors is an integer number (103400084480).

Almost surely, 2^{2112578087151} is an apocalyptic number.

2112578087151 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2112578087151 is a deficient number, since it is larger than the sum of its proper divisors (1196224616209).

2112578087151 is a wasteful number, since it uses less digits than its factorization.

2112578087151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10491355.

The product of its (nonzero) digits is 313600, while the sum is 48.

The spelling of 2112578087151 in words is "two trillion, one hundred twelve billion, five hundred seventy-eight million, eighty-seven thousand, one hundred fifty-one".