2156884335510 has 32 divisors (see below), whose sum is σ = 5316428418912. Its totient is φ = 559624043520.

The previous prime is 2156884335493. The next prime is 2156884335611. The reversal of 2156884335510 is 155334886512.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 971568411 + ... + 971570630.

It is an arithmetic number, because the mean of its divisors is an integer number (166138388091).

Almost surely, 2^{2156884335510} is an apocalyptic number.

2156884335510 is an abundant number, since it is smaller than the sum of its proper divisors (3159544083402).

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

2156884335510 is a wasteful number, since it uses less digits than its factorization.

2156884335510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1943139088.

The product of its (nonzero) digits is 3456000, while the sum is 51.

The spelling of 2156884335510 in words is "two trillion, one hundred fifty-six billion, eight hundred eighty-four million, three hundred thirty-five thousand, five hundred ten".