155251214242115 has 16 divisors (see below), whose sum is σ = 190848254950080. Its totient is φ = 121169863610880.

The previous prime is 155251214242079. The next prime is 155251214242123. The reversal of 155251214242115 is 511242412152551.

It is not a de Polignac number, because 155251214242115 - 2⁶ = 155251214242051 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

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, 8120642 + ... + 19402248.

It is an arithmetic number, because the mean of its divisors is an integer number (11928015934380).

Almost surely, 2^{155251214242115} is an apocalyptic number.

155251214242115 is a deficient number, since it is larger than the sum of its proper divisors (35597040707965).

155251214242115 is a wasteful number, since it uses less digits than its factorization.

155251214242115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11348782.

The product of its digits is 160000, while the sum is 41.

Adding to 155251214242115 its reverse (511242412152551), we get a palindrome (666493626394666).

The spelling of 155251214242115 in words is "one hundred fifty-five trillion, two hundred fifty-one billion, two hundred fourteen million, two hundred forty-two thousand, one hundred fifteen".