155001479655 has 16 divisors (see below), whose sum is σ = 270548037504. Its totient is φ = 75152232480.

The previous prime is 155001479597. The next prime is 155001479729. The reversal of 155001479655 is 556974100551.

It is not a de Polignac number, because 155001479655 - 2¹⁷ = 155001348583 is a prime.

It is a congruent number.

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, 469701289 + ... + 469701618.

It is an arithmetic number, because the mean of its divisors is an integer number (16909252344).

Almost surely, 2^155001479655 is an apocalyptic number.

155001479655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

155001479655 is a deficient number, since it is larger than the sum of its proper divisors (115546557849).

155001479655 is a wasteful number, since it uses less digits than its factorization.

155001479655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 939402926.

The product of its (nonzero) digits is 945000, while the sum is 48.

The spelling of 155001479655 in words is "one hundred fifty-five billion, one million, four hundred seventy-nine thousand, six hundred fifty-five".