1507121071055 has 16 divisors (see below), whose sum is σ = 1812480019200. Its totient is φ = 1203074146560.

The previous prime is 1507121071051. The next prime is 1507121071073. The reversal of 1507121071055 is 5501701217051.

It is not a de Polignac number, because 1507121071055 - 2² = 1507121071051 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1507121071051) 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, 38465675 + ... + 38504835.

It is an arithmetic number, because the mean of its divisors is an integer number (113280001200).

Almost surely, 2^{1507121071055} is an apocalyptic number.

1507121071055 is a deficient number, since it is larger than the sum of its proper divisors (305358948145).

1507121071055 is a wasteful number, since it uses less digits than its factorization.

1507121071055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55714.

The product of its (nonzero) digits is 12250, while the sum is 35.

The spelling of 1507121071055 in words is "one trillion, five hundred seven billion, one hundred twenty-one million, seventy-one thousand, fifty-five".