1055685451225 has 6 divisors (see below), whose sum is σ = 1309049959550. Its totient is φ = 844548360960.

The previous prime is 1055685451217. The next prime is 1055685451231. The reversal of 1055685451225 is 5221545865501.

It can be written as a sum of positive squares in 3 ways, for example, as 18296349696 + 1037389101529 = 135264^2 + 1018523^2 .

It is not a de Polignac number, because 1055685451225 - 2³ = 1055685451217 is a prime.

It is a super-2 number, since 2×1055685451225² (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 5 ways as a sum of consecutive naturals, for example, 21113709000 + ... + 21113709049.

Almost surely, 2^{1055685451225} is an apocalyptic number.

It is an amenable number.

1055685451225 is a deficient number, since it is larger than the sum of its proper divisors (253364508325).

1055685451225 is an equidigital number, since it uses as much as digits as its factorization.

1055685451225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42227418059 (or 42227418054 counting only the distinct ones).

The product of its (nonzero) digits is 2400000, while the sum is 49.

The spelling of 1055685451225 in words is "one trillion, fifty-five billion, six hundred eighty-five million, four hundred fifty-one thousand, two hundred twenty-five".