1253174805077 has 12 divisors (see below), whose sum is σ = 1403780801220. Its totient is φ = 1116887885568.

The previous prime is 1253174805073. The next prime is 1253174805097. The reversal of 1253174805077 is 7705084713521.

It can be written as a sum of positive squares in 6 ways, for example, as 3934927441 + 1249239877636 = 62729^2 + 1117694^2 .

It is not a de Polignac number, because 1253174805077 - 2² = 1253174805073 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1253174805073) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 127843988 + ... + 127853789.

It is an arithmetic number, because the mean of its divisors is an integer number (116981733435).

Almost surely, 2^{1253174805077} is an apocalyptic number.

It is an amenable number.

1253174805077 is a deficient number, since it is larger than the sum of its proper divisors (150605996143).

1253174805077 is a wasteful number, since it uses less digits than its factorization.

1253174805077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255697832 (or 255697819 counting only the distinct ones).

The product of its (nonzero) digits is 1646400, while the sum is 50.

It can be divided in two parts, 125317 and 4805077, that added together give a palindrome (4930394).

The spelling of 1253174805077 in words is "one trillion, two hundred fifty-three billion, one hundred seventy-four million, eight hundred five thousand, seventy-seven".