1255370107489 has 27 divisors (see below), whose sum is σ = 1327084589331. Its totient is φ = 1187479710720.

The previous prime is 1255370107421. The next prime is 1255370107493. The reversal of 1255370107489 is 9847010735521.

The square root of 1255370107489 is 1120433.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 491144467489 + 764225640000 = 700817^2 + 874200^2 .

It is not a de Polignac number, because 1255370107489 - 2¹³ = 1255370099297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1255370104489) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1632470497 + ... + 1632471265.

Almost surely, 2^{1255370107489} is an apocalyptic number.

1255370107489 is the 1120433-rd square number.

1255370107489 is the 560217-th centered octagonal number.

It is an amenable number.

1255370107489 is a deficient number, since it is larger than the sum of its proper divisors (71714481842).

1255370107489 is an frugal number, since it uses more digits than its factorization.

1255370107489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1694 (or 847 counting only the distinct ones).

The product of its (nonzero) digits is 2116800, while the sum is 52.

The spelling of 1255370107489 in words is "one trillion, two hundred fifty-five billion, three hundred seventy million, one hundred seven thousand, four hundred eighty-nine".