2155541031246 has 16 divisors (see below), whose sum is σ = 4311918740304. Its totient is φ = 718374230784.

The previous prime is 2155541031209. The next prime is 2155541031257. The reversal of 2155541031246 is 6421301455512.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34828081 + ... + 34889916.

It is an arithmetic number, because the mean of its divisors is an integer number (269494921269).

Almost surely, 2^{2155541031246} is an apocalyptic number.

2155541031246 is an abundant number, since it is smaller than the sum of its proper divisors (2156377709058).

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

2155541031246 is a wasteful number, since it uses less digits than its factorization.

2155541031246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69723155.

The product of its (nonzero) digits is 144000, while the sum is 39.

Adding to 2155541031246 its reverse (6421301455512), we get a palindrome (8576842486758).

The spelling of 2155541031246 in words is "two trillion, one hundred fifty-five billion, five hundred forty-one million, thirty-one thousand, two hundred forty-six".