157570557551 has 8 divisors (see below), whose sum is σ = 172091167824. Its totient is φ = 143082616320.

The previous prime is 157570557539. The next prime is 157570557601. The reversal of 157570557551 is 155755075751.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-157570557551 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 157570557493 and 157570557502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157570157551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8157170 + ... + 8176463.

It is an arithmetic number, because the mean of its divisors is an integer number (21511395978).

Almost surely, 2^157570557551 is an apocalyptic number.

157570557551 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

157570557551 is a deficient number, since it is larger than the sum of its proper divisors (14520610273).

157570557551 is a wasteful number, since it uses less digits than its factorization.

157570557551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16334521.

The product of its (nonzero) digits is 5359375, while the sum is 53.

The spelling of 157570557551 in words is "one hundred fifty-seven billion, five hundred seventy million, five hundred fifty-seven thousand, five hundred fifty-one".