1269376445125 has 16 divisors (see below), whose sum is σ = 1588747223232. Its totient is φ = 1012574605200.

The previous prime is 1269376445119. The next prime is 1269376445131. The reversal of 1269376445125 is 5215446739621.

It is an interprime number because it is at equal distance from previous prime (1269376445119) and next prime (1269376445131).

It is not a de Polignac number, because 1269376445125 - 2³⁹ = 719620631237 is a prime.

It is a super-2 number, since 2×1269376445125² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14589207 + ... + 14675956.

It is an arithmetic number, because the mean of its divisors is an integer number (99296701452).

Almost surely, 2^{1269376445125} is an apocalyptic number.

It is an amenable number.

1269376445125 is a deficient number, since it is larger than the sum of its proper divisors (319370778107).

1269376445125 is an equidigital number, since it uses as much as digits as its factorization.

1269376445125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29265525 (or 29265515 counting only the distinct ones).

The product of its digits is 10886400, while the sum is 55.

The spelling of 1269376445125 in words is "one trillion, two hundred sixty-nine billion, three hundred seventy-six million, four hundred forty-five thousand, one hundred twenty-five".