150557107981 has 8 divisors (see below), whose sum is σ = 175726229760. Its totient is φ = 126303227088.

The previous prime is 150557107969. The next prime is 150557107997. The reversal of 150557107981 is 189701755051.

150557107981 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 150557107981 - 2¹³ = 150557099789 is a prime.

It is a super-2 number, since 2×150557107981² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150557107081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 228809866 + ... + 228810523.

It is an arithmetic number, because the mean of its divisors is an integer number (21965778720).

Almost surely, 2^150557107981 is an apocalyptic number.

It is an amenable number.

150557107981 is a deficient number, since it is larger than the sum of its proper divisors (25169121779).

150557107981 is an equidigital number, since it uses as much as digits as its factorization.

150557107981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457620443.

The product of its (nonzero) digits is 441000, while the sum is 49.

The spelling of 150557107981 in words is "one hundred fifty billion, five hundred fifty-seven million, one hundred seven thousand, nine hundred eighty-one".