1260508971995 has 32 divisors (see below), whose sum is σ = 1861748689920. Its totient is φ = 797828952960.

The previous prime is 1260508971991. The next prime is 1260508972039. The reversal of 1260508971995 is 5991798050621.

It is not a de Polignac number, because 1260508971995 - 2² = 1260508971991 is a prime.

It is a super-3 number, since 3×1260508971995³ (a number of 37 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1260508971991) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17745500 + ... + 17816390.

It is an arithmetic number, because the mean of its divisors is an integer number (58179646560).

Almost surely, 2^{1260508971995} is an apocalyptic number.

1260508971995 is a deficient number, since it is larger than the sum of its proper divisors (601239717925).

1260508971995 is a wasteful number, since it uses less digits than its factorization.

1260508971995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109995.

The product of its (nonzero) digits is 12247200, while the sum is 62.

The spelling of 1260508971995 in words is "one trillion, two hundred sixty billion, five hundred eight million, nine hundred seventy-one thousand, nine hundred ninety-five".