1261425334301 has 64 divisors (see below), whose sum is σ = 1497986265600. Its totient is φ = 1049424076800.

The previous prime is 1261425334271. The next prime is 1261425334357. The reversal of 1261425334301 is 1034335241621.

It is a de Polignac number, because none of the positive numbers 2^k-1261425334301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1261425334601) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 707472656 + ... + 707474438.

It is an arithmetic number, because the mean of its divisors is an integer number (23406035400).

Almost surely, 2^{1261425334301} is an apocalyptic number.

1261425334301 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1261425334301 is a deficient number, since it is larger than the sum of its proper divisors (236560931299).

1261425334301 is a wasteful number, since it uses less digits than its factorization.

1261425334301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2550.

The product of its (nonzero) digits is 51840, while the sum is 35.

The spelling of 1261425334301 in words is "one trillion, two hundred sixty-one billion, four hundred twenty-five million, three hundred thirty-four thousand, three hundred one".