1615000105550 has 24 divisors (see below), whose sum is σ = 3234969443496. Its totient is φ = 596307731040.

The previous prime is 1615000105547. The next prime is 1615000105573. The reversal of 1615000105550 is 555010005161.

It is a happy number.

It is a super-2 number, since 2×1615000105550² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1242307124 + ... + 1242308423.

It is an arithmetic number, because the mean of its divisors is an integer number (134790393479).

Almost surely, 2^{1615000105550} is an apocalyptic number.

1615000105550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1615000105550 is an abundant number, since it is smaller than the sum of its proper divisors (1619969337946).

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

1615000105550 is a wasteful number, since it uses less digits than its factorization.

1615000105550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2484615572 (or 2484615567 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 29.

The spelling of 1615000105550 in words is "one trillion, six hundred fifteen billion, one hundred five thousand, five hundred fifty".