1351156555025 has 12 divisors (see below), whose sum is σ = 1748279091072. Its totient is φ = 1033928493840.

The previous prime is 1351156555009. The next prime is 1351156555079. The reversal of 1351156555025 is 5205556511531.

It is not a de Polignac number, because 1351156555025 - 2⁴ = 1351156555009 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1174918169 + ... + 1174919318.

It is an arithmetic number, because the mean of its divisors is an integer number (145689924256).

Almost surely, 2^{1351156555025} is an apocalyptic number.

It is an amenable number.

1351156555025 is a deficient number, since it is larger than the sum of its proper divisors (397122536047).

1351156555025 is a wasteful number, since it uses less digits than its factorization.

1351156555025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2349837520 (or 2349837515 counting only the distinct ones).

The product of its (nonzero) digits is 562500, while the sum is 44.

The spelling of 1351156555025 in words is "one trillion, three hundred fifty-one billion, one hundred fifty-six million, five hundred fifty-five thousand, twenty-five".