1541222115550 has 48 divisors (see below), whose sum is σ = 3249669976560. Its totient is φ = 539115747840.

The previous prime is 1541222115529. The next prime is 1541222115557. The reversal of 1541222115550 is 555112221451.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1541222115557) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 62385307 + ... + 62410006.

It is an arithmetic number, because the mean of its divisors is an integer number (67701457845).

Almost surely, 2^{1541222115550} is an apocalyptic number.

1541222115550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1541222115550 is an abundant number, since it is smaller than the sum of its proper divisors (1708447861010).

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

1541222115550 is a wasteful number, since it uses less digits than its factorization.

1541222115550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124795357 (or 124795352 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 34.

The spelling of 1541222115550 in words is "one trillion, five hundred forty-one billion, two hundred twenty-two million, one hundred fifteen thousand, five hundred fifty".