1361411550 has 60 divisors (see below), whose sum is σ = 3782718456. Its totient is φ = 363042000.

The previous prime is 1361411543. The next prime is 1361411573. The reversal of 1361411550 is 551141631.

1361411550 is a `hidden beast` number, since 13 + 61 + 41 + 1 + 550 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 164026 + ... + 172125.

Almost surely, 2^1361411550 is an apocalyptic number.

1361411550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1361411550 is an abundant number, since it is smaller than the sum of its proper divisors (2421306906).

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

1361411550 is a wasteful number, since it uses less digits than its factorization.

1361411550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336175 (or 336161 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

The square root of 1361411550 is about 36897.3108776236. The cubic root of 1361411550 is about 1108.3148278642.

The spelling of 1361411550 in words is "one billion, three hundred sixty-one million, four hundred eleven thousand, five hundred fifty".