2151054543234 has 64 divisors (see below), whose sum is σ = 4450372512768. Its totient is φ = 692776344000.

The previous prime is 2151054543203. The next prime is 2151054543241. The reversal of 2151054543234 is 4323454501512.

It is a junction number, because it is equal to n+sod(n) for n = 2151054543192 and 2151054543201.

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, 8077509 + ... + 8339559.

It is an arithmetic number, because the mean of its divisors is an integer number (69537070512).

Almost surely, 2^{2151054543234} is an apocalyptic number.

2151054543234 is an abundant number, since it is smaller than the sum of its proper divisors (2299317969534).

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

2151054543234 is a wasteful number, since it uses less digits than its factorization.

2151054543234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262503.

The product of its (nonzero) digits is 288000, while the sum is 39.

The spelling of 2151054543234 in words is "two trillion, one hundred fifty-one billion, fifty-four million, five hundred forty-three thousand, two hundred thirty-four".