1255702491268 has 6 divisors (see below), whose sum is σ = 2197479359726. Its totient is φ = 627851245632.

The previous prime is 1255702491227. The next prime is 1255702491319. The reversal of 1255702491268 is 8621942075521.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1117688755264 + 138013736004 = 1057208^2 + 371502^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156962811405 + ... + 156962811412.

Almost surely, 2^{1255702491268} is an apocalyptic number.

It is an amenable number.

1255702491268 is a deficient number, since it is larger than the sum of its proper divisors (941776868458).

1255702491268 is a wasteful number, since it uses less digits than its factorization.

1255702491268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313925622821 (or 313925622819 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 52.

The spelling of 1255702491268 in words is "one trillion, two hundred fifty-five billion, seven hundred two million, four hundred ninety-one thousand, two hundred sixty-eight".