155151265415 has 16 divisors (see below), whose sum is σ = 192627370080. Its totient is φ = 119824924800.

The previous prime is 155151265397. The next prime is 155151265417. The reversal of 155151265415 is 514562151551.

It is a de Polignac number, because none of the positive numbers 2^k-155151265415 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155151265417) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1077932 + ... + 1213358.

It is an arithmetic number, because the mean of its divisors is an integer number (12039210630).

Almost surely, 2^155151265415 is an apocalyptic number.

155151265415 is a deficient number, since it is larger than the sum of its proper divisors (37476104665).

155151265415 is a wasteful number, since it uses less digits than its factorization.

155151265415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143362.

The product of its digits is 150000, while the sum is 41.

The spelling of 155151265415 in words is "one hundred fifty-five billion, one hundred fifty-one million, two hundred sixty-five thousand, four hundred fifteen".