2155434320510 has 32 divisors (see below), whose sum is σ = 3909101303520. Its totient is φ = 855661499392.

The previous prime is 2155434320483. The next prime is 2155434320581. The reversal of 2155434320510 is 150234345512.

It is a super-2 number, since 2×2155434320510² (a number of 25 digits) contains 22 as substring.

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, 5208086 + ... + 5606694.

It is an arithmetic number, because the mean of its divisors is an integer number (122159415735).

Almost surely, 2^{2155434320510} is an apocalyptic number.

2155434320510 is a deficient number, since it is larger than the sum of its proper divisors (1753666983010).

2155434320510 is a wasteful number, since it uses less digits than its factorization.

2155434320510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402700.

The product of its (nonzero) digits is 72000, while the sum is 35.

The spelling of 2155434320510 in words is "two trillion, one hundred fifty-five billion, four hundred thirty-four million, three hundred twenty thousand, five hundred ten".