153542350557 has 6 divisors (see below), whose sum is σ = 221783395262. Its totient is φ = 102361567032.

The previous prime is 153542350547. The next prime is 153542350571. The reversal of 153542350557 is 755053245351.

153542350557 is a `hidden beast` number, since 1 + 5 + 3 + 5 + 42 + 3 + 50 + 557 = 666.

It can be written as a sum of positive squares in only one way, i.e., 144061238916 + 9481111641 = 379554^2 + 97371^2 .

It is not a de Polignac number, because 153542350557 - 2³² = 149247383261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (153542350537) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8530130578 + ... + 8530130595.

Almost surely, 2^153542350557 is an apocalyptic number.

It is an amenable number.

153542350557 is a deficient number, since it is larger than the sum of its proper divisors (68241044705).

153542350557 is a wasteful number, since it uses less digits than its factorization.

153542350557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17060261179 (or 17060261176 counting only the distinct ones).

The product of its (nonzero) digits is 1575000, while the sum is 45.

The spelling of 153542350557 in words is "one hundred fifty-three billion, five hundred forty-two million, three hundred fifty thousand, five hundred fifty-seven".