1167401745405 has 24 divisors (see below), whose sum is σ = 2312567267712. Its totient is φ = 533669369184.

The previous prime is 1167401745403. The next prime is 1167401745439. The reversal of 1167401745405 is 5045471047611.

1167401745405 is a `hidden beast` number, since 1 + 1 + 6 + 74 + 0 + 174 + 5 + 405 = 666.

It is not a de Polignac number, because 1167401745405 - 2¹ = 1167401745403 is a prime.

It is a super-2 number, since 2×1167401745405² (a number of 25 digits) contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1167401745401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1853018329 + ... + 1853018958.

It is an arithmetic number, because the mean of its divisors is an integer number (96356969488).

Almost surely, 2^{1167401745405} is an apocalyptic number.

1167401745405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1167401745405 is a deficient number, since it is larger than the sum of its proper divisors (1145165522307).

1167401745405 is a wasteful number, since it uses less digits than its factorization.

1167401745405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3706037305 (or 3706037302 counting only the distinct ones).

The product of its (nonzero) digits is 470400, while the sum is 45.

The spelling of 1167401745405 in words is "one trillion, one hundred sixty-seven billion, four hundred one million, seven hundred forty-five thousand, four hundred five".