1265150265248 has 12 divisors (see below), whose sum is σ = 2490764584770. Its totient is φ = 632575132608.

The previous prime is 1265150265241. The next prime is 1265150265257. The reversal of 1265150265248 is 8425620515621.

It can be written as a sum of positive squares in only one way, i.e., 1040538724624 + 224611540624 = 1020068^2 + 473932^2 .

It is not an unprimeable number, because it can be changed into a prime (1265150265241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19767972863 + ... + 19767972926.

Almost surely, 2^{1265150265248} is an apocalyptic number.

It is an amenable number.

1265150265248 is a deficient number, since it is larger than the sum of its proper divisors (1225614319522).

1265150265248 is an equidigital number, since it uses as much as digits as its factorization.

1265150265248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39535945799 (or 39535945791 counting only the distinct ones).

The product of its (nonzero) digits is 1152000, while the sum is 47.

The spelling of 1265150265248 in words is "one trillion, two hundred sixty-five billion, one hundred fifty million, two hundred sixty-five thousand, two hundred forty-eight".