315555555501 has 6 divisors (see below), whose sum is σ = 455802469070. Its totient is φ = 210370370328.

The previous prime is 315555555481. The next prime is 315555555533. The reversal of 315555555501 is 105555555513.

It can be written as a sum of positive squares in only one way, i.e., 268918993476 + 46636562025 = 518574^2 + 215955^2 .

It is not a de Polignac number, because 315555555501 - 2⁶ = 315555555437 is a prime.

It is a super-2 number, since 2×315555555501² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315555515501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17530864186 + ... + 17530864203.

Almost surely, 2^315555555501 is an apocalyptic number.

It is an amenable number.

315555555501 is a deficient number, since it is larger than the sum of its proper divisors (140246913569).

315555555501 is a wasteful number, since it uses less digits than its factorization.

315555555501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35061728395 (or 35061728392 counting only the distinct ones).

The product of its (nonzero) digits is 1171875, while the sum is 45.

The spelling of 315555555501 in words is "three hundred fifteen billion, five hundred fifty-five million, five hundred fifty-five thousand, five hundred one".