131263755515 has 16 divisors (see below), whose sum is σ = 165819624768. Its totient is φ = 99556402176.

The previous prime is 131263755461. The next prime is 131263755523. The reversal of 131263755515 is 515557362131.

It is a cyclic number.

It is not a de Polignac number, because 131263755515 - 2¹² = 131263751419 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5037554 + ... + 5063543.

It is an arithmetic number, because the mean of its divisors is an integer number (10363726548).

Almost surely, 2^131263755515 is an apocalyptic number.

131263755515 is a deficient number, since it is larger than the sum of its proper divisors (34555869253).

131263755515 is a wasteful number, since it uses less digits than its factorization.

131263755515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10101238.

The product of its digits is 472500, while the sum is 44.

The spelling of 131263755515 in words is "one hundred thirty-one billion, two hundred sixty-three million, seven hundred fifty-five thousand, five hundred fifteen".