155053030242015 has 48 divisors (see below), whose sum is σ = 275926845448800. Its totient is φ = 80498315304960.

The previous prime is 155053030241999. The next prime is 155053030242049. The reversal of 155053030242015 is 510242030350551.

155053030242015 is a `hidden beast` number, since 1 + 5 + 50 + 530 + 30 + 2 + 42 + 0 + 1 + 5 = 666.

It is not a de Polignac number, because 155053030242015 - 2⁴ = 155053030241999 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 92756877 + ... + 94413686.

It is an arithmetic number, because the mean of its divisors is an integer number (5748475946850).

Almost surely, 2^{155053030242015} is an apocalyptic number.

155053030242015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

155053030242015 is a deficient number, since it is larger than the sum of its proper divisors (120873815206785).

155053030242015 is a wasteful number, since it uses less digits than its factorization.

155053030242015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187171064 (or 187171061 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

Adding to 155053030242015 its reverse (510242030350551), we get a palindrome (665295060592566).

The spelling of 155053030242015 in words is "one hundred fifty-five trillion, fifty-three billion, thirty million, two hundred forty-two thousand, fifteen".