1005551520122 has 16 divisors (see below), whose sum is σ = 1519237466880. Its totient is φ = 499139311968.

The previous prime is 1005551520101. The next prime is 1005551520167. The reversal of 1005551520122 is 2210251555001.

It is a super-2 number, since 2×1005551520122² (a number of 25 digits) contains 22 as substring.

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, 9414743 + ... + 9520949.

It is an arithmetic number, because the mean of its divisors is an integer number (94952341680).

Almost surely, 2^{1005551520122} is an apocalyptic number.

1005551520122 is a deficient number, since it is larger than the sum of its proper divisors (513685946758).

1005551520122 is a wasteful number, since it uses less digits than its factorization.

1005551520122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140405.

The product of its (nonzero) digits is 5000, while the sum is 29.

The spelling of 1005551520122 in words is "one trillion, five billion, five hundred fifty-one million, five hundred twenty thousand, one hundred twenty-two".