155895567492 has 96 divisors (see below), whose sum is σ = 449428833280. Its totient is φ = 41056813440.

The previous prime is 155895567491. The next prime is 155895567539. The reversal of 155895567492 is 294765598551.

It is not an unprimeable number, because it can be changed into a prime (155895567491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1260934 + ... + 1379037.

Almost surely, 2^155895567492 is an apocalyptic number.

155895567492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

155895567492 is an abundant number, since it is smaller than the sum of its proper divisors (293533265788).

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

155895567492 is a wasteful number, since it uses less digits than its factorization.

155895567492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2640041 (or 2640039 counting only the distinct ones).

The product of its digits is 136080000, while the sum is 66.

The spelling of 155895567492 in words is "one hundred fifty-five billion, eight hundred ninety-five million, five hundred sixty-seven thousand, four hundred ninety-two".