2151055223434 has 64 divisors (see below), whose sum is σ = 3692738246400. Its totient is φ = 930957401088.

The previous prime is 2151055223413. The next prime is 2151055223441. The reversal of 2151055223434 is 4343225501512.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2151055223393 and 2151055223402.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 161253937 + ... + 161267275.

It is an arithmetic number, because the mean of its divisors is an integer number (57699035100).

Almost surely, 2^{2151055223434} is an apocalyptic number.

2151055223434 is a deficient number, since it is larger than the sum of its proper divisors (1541683022966).

2151055223434 is a wasteful number, since it uses less digits than its factorization.

2151055223434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14687.

The product of its (nonzero) digits is 144000, while the sum is 37.

The spelling of 2151055223434 in words is "two trillion, one hundred fifty-one billion, fifty-five million, two hundred twenty-three thousand, four hundred thirty-four".