150261865553 has 4 divisors (see below), whose sum is σ = 150267391140. Its totient is φ = 150256339968.

The previous prime is 150261865519. The next prime is 150261865583. The reversal of 150261865553 is 355568162051.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 46338159169 + 103923706384 = 215263^2 + 322372^2 .

It is a cyclic number.

It is not a de Polignac number, because 150261865553 - 2¹⁴ = 150261849169 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 150261865498 and 150261865507.

It is not an unprimeable number, because it can be changed into a prime (150261865583) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2721800 + ... + 2776457.

It is an arithmetic number, because the mean of its divisors is an integer number (37566847785).

Almost surely, 2^150261865553 is an apocalyptic number.

It is an amenable number.

150261865553 is a deficient number, since it is larger than the sum of its proper divisors (5525587).

150261865553 is an equidigital number, since it uses as much as digits as its factorization.

150261865553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5525586.

The product of its (nonzero) digits is 1080000, while the sum is 47.

The spelling of 150261865553 in words is "one hundred fifty billion, two hundred sixty-one million, eight hundred sixty-five thousand, five hundred fifty-three".