2155541031262 has 16 divisors (see below), whose sum is σ = 3361783772160. Its totient is φ = 1035323745568.

The previous prime is 2155541031257. The next prime is 2155541031269. The reversal of 2155541031262 is 2621301455512.

It is a super-2 number, since 2×2155541031262² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2155541031269) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94314718 + ... + 94337569.

It is an arithmetic number, because the mean of its divisors is an integer number (210111485760).

Almost surely, 2^{2155541031262} is an apocalyptic number.

2155541031262 is a deficient number, since it is larger than the sum of its proper divisors (1206242740898).

2155541031262 is a wasteful number, since it uses less digits than its factorization.

2155541031262 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188652515.

The product of its (nonzero) digits is 72000, while the sum is 37.

Adding to 2155541031262 its reverse (2621301455512), we get a palindrome (4776842486774).

The spelling of 2155541031262 in words is "two trillion, one hundred fifty-five billion, five hundred forty-one million, thirty-one thousand, two hundred sixty-two".