1265164000154 has 16 divisors (see below), whose sum is σ = 1939999932288. Its totient is φ = 618523416672.

The previous prime is 1265164000153. The next prime is 1265164000223. The reversal of 1265164000154 is 4510004615621.

It is not an unprimeable number, because it can be changed into a prime (1265164000153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6417512 + ... + 6611715.

It is an arithmetic number, because the mean of its divisors is an integer number (121249995768).

Almost surely, 2^{1265164000154} is an apocalyptic number.

1265164000154 is a deficient number, since it is larger than the sum of its proper divisors (674835932134).

1265164000154 is a wasteful number, since it uses less digits than its factorization.

1265164000154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13030309.

The product of its (nonzero) digits is 28800, while the sum is 35.

Adding to 1265164000154 its reverse (4510004615621), we get a palindrome (5775168615775).

The spelling of 1265164000154 in words is "one trillion, two hundred sixty-five billion, one hundred sixty-four million, one hundred fifty-four", and thus it is an aban number.