151923784155 has 128 divisors (see below), whose sum is σ = 288357027840. Its totient is φ = 67334492160.

The previous prime is 151923784151. The next prime is 151923784169. The reversal of 151923784155 is 551487329151.

It is a happy number.

It is not a de Polignac number, because 151923784155 - 2² = 151923784151 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 151923784098 and 151923784107.

It is not an unprimeable number, because it can be changed into a prime (151923784151) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 137736334 + ... + 137737436.

It is an arithmetic number, because the mean of its divisors is an integer number (2252789280).

Almost surely, 2^151923784155 is an apocalyptic number.

151923784155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

151923784155 is a deficient number, since it is larger than the sum of its proper divisors (136433243685).

151923784155 is a wasteful number, since it uses less digits than its factorization.

151923784155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1701.

The product of its digits is 1512000, while the sum is 51.

The spelling of 151923784155 in words is "one hundred fifty-one billion, nine hundred twenty-three million, seven hundred eighty-four thousand, one hundred fifty-five".