155130340515 has 16 divisors (see below), whose sum is σ = 248247914400. Its totient is φ = 82723058432.

The previous prime is 155130340511. The next prime is 155130340531. The reversal of 155130340515 is 515043031551.

It is a cyclic number.

It is not a de Polignac number, because 155130340515 - 2² = 155130340511 is a prime.

It is not an unprimeable number, because it can be changed into a prime (155130340511) 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, 722100 + ... + 911969.

It is an arithmetic number, because the mean of its divisors is an integer number (15515494650).

Almost surely, 2^155130340515 is an apocalyptic number.

155130340515 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

155130340515 is a deficient number, since it is larger than the sum of its proper divisors (93117573885).

155130340515 is a wasteful number, since it uses less digits than its factorization.

155130340515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1640406.

The product of its (nonzero) digits is 22500, while the sum is 33.

The spelling of 155130340515 in words is "one hundred fifty-five billion, one hundred thirty million, three hundred forty thousand, five hundred fifteen".