151156122020 has 24 divisors (see below), whose sum is σ = 317448613944. Its totient is φ = 60458494976.

The previous prime is 151156121999. The next prime is 151156122031. The reversal of 151156122020 is 20221651151.

It can be written as a sum of positive squares in 4 ways, for example, as 2488812544 + 148667309476 = 49888^2 + 385574^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76724 + ... + 555156.

It is an arithmetic number, because the mean of its divisors is an integer number (13227025581).

Almost surely, 2^151156122020 is an apocalyptic number.

151156122020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

151156122020 is an abundant number, since it is smaller than the sum of its proper divisors (166292491924).

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

151156122020 is a wasteful number, since it uses less digits than its factorization.

151156122020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494239 (or 494237 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 26.

Adding to 151156122020 its reverse (20221651151), we get a palindrome (171377773171).

The spelling of 151156122020 in words is "one hundred fifty-one billion, one hundred fifty-six million, one hundred twenty-two thousand, twenty".