1055221052554 has 32 divisors (see below), whose sum is σ = 1693532712960. Its totient is φ = 491921770032.

The previous prime is 1055221052507. The next prime is 1055221052629. The reversal of 1055221052554 is 4552501225501.

It is a super-2 number, since 2×1055221052554² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 415567 + ... + 1511005.

It is an arithmetic number, because the mean of its divisors is an integer number (52922897280).

Almost surely, 2^{1055221052554} is an apocalyptic number.

1055221052554 is a deficient number, since it is larger than the sum of its proper divisors (638311660406).

1055221052554 is a wasteful number, since it uses less digits than its factorization.

1055221052554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1095994.

The product of its (nonzero) digits is 100000, while the sum is 37.

The spelling of 1055221052554 in words is "one trillion, fifty-five billion, two hundred twenty-one million, fifty-two thousand, five hundred fifty-four".