1055234925921 has 12 divisors (see below), whose sum is σ = 1546515098576. Its totient is φ = 639536318520.

The previous prime is 1055234925907. The next prime is 1055234925937. The reversal of 1055234925921 is 1295294325501.

It is not a de Polignac number, because 1055234925921 - 2¹⁴ = 1055234909537 is a prime.

It is a super-2 number, since 2×1055234925921² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1055234925971) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1453491271 + ... + 1453491996.

Almost surely, 2^{1055234925921} is an apocalyptic number.

1055234925921 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1055234925921 is a deficient number, since it is larger than the sum of its proper divisors (491280172655).

1055234925921 is a wasteful number, since it uses less digits than its factorization.

1055234925921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2906983292 (or 2906983281 counting only the distinct ones).

The product of its (nonzero) digits is 972000, while the sum is 48.

The spelling of 1055234925921 in words is "one trillion, fifty-five billion, two hundred thirty-four million, nine hundred twenty-five thousand, nine hundred twenty-one".