411221240155 has 64 divisors (see below), whose sum is σ = 576003312000. Its totient is φ = 278523781120.

The previous prime is 411221240137. The next prime is 411221240191. The reversal of 411221240155 is 551042122114.

It is not a de Polignac number, because 411221240155 - 2⁵ = 411221240123 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 37470249 + ... + 37481221.

It is an arithmetic number, because the mean of its divisors is an integer number (9000051750).

Almost surely, 2^411221240155 is an apocalyptic number.

411221240155 is a deficient number, since it is larger than the sum of its proper divisors (164782071845).

411221240155 is a wasteful number, since it uses less digits than its factorization.

411221240155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11424.

The product of its (nonzero) digits is 3200, while the sum is 28.

Adding to 411221240155 its reverse (551042122114), we get a palindrome (962263362269).

The spelling of 411221240155 in words is "four hundred eleven billion, two hundred twenty-one million, two hundred forty thousand, one hundred fifty-five".