1955550530115 has 384 divisors, whose sum is σ = 4473171935232. Its totient is φ = 768222766080.

The previous prime is 1955550530107. The next prime is 1955550530117. The reversal of 1955550530115 is 5110350555591.

1955550530115 is a `hidden beast` number, since 1 + 9 + 5 + 55 + 50 + 530 + 1 + 15 = 666.

It is not a de Polignac number, because 1955550530115 - 2³ = 1955550530107 is a prime.

It is a super-3 number, since 3×1955550530115³ (a number of 38 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (1955550530117) by changing a digit.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 365725872 + ... + 365731218.

It is an arithmetic number, because the mean of its divisors is an integer number (11648885248).

Almost surely, 2^{1955550530115} is an apocalyptic number.

1955550530115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1955550530115 is an abundant number, since it is smaller than the sum of its proper divisors (2517621405117).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1955550530115 is a wasteful number, since it uses less digits than its factorization.

1955550530115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5519 (or 5516 counting only the distinct ones).

The product of its (nonzero) digits is 421875, while the sum is 45.

The spelling of 1955550530115 in words is "one trillion, nine hundred fifty-five billion, five hundred fifty million, five hundred thirty thousand, one hundred fifteen".