1265150139015 has 16 divisors (see below), whose sum is σ = 2313417397248. Its totient is φ = 578354349216.

The previous prime is 1265150138951. The next prime is 1265150139023. The reversal of 1265150139015 is 5109310515621.

It is not a de Polignac number, because 1265150139015 - 2⁶ = 1265150138951 is a prime.

It is a congruent 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, 6024524367 + ... + 6024524576.

It is an arithmetic number, because the mean of its divisors is an integer number (144588587328).

Almost surely, 2^{1265150139015} is an apocalyptic number.

1265150139015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1265150139015 is a deficient number, since it is larger than the sum of its proper divisors (1048267258233).

1265150139015 is a wasteful number, since it uses less digits than its factorization.

1265150139015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12049048958.

The product of its (nonzero) digits is 40500, while the sum is 39.

The spelling of 1265150139015 in words is "one trillion, two hundred sixty-five billion, one hundred fifty million, one hundred thirty-nine thousand, fifteen".