155726315047 has 8 divisors (see below), whose sum is σ = 156889605600. Its totient is φ = 154563410304.

The previous prime is 155726314969. The next prime is 155726315077. The reversal of 155726315047 is 740513627551.

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

It is a cyclic number.

It is not a de Polignac number, because 155726315047 - 2¹¹ = 155726312999 is a prime.

It is a super-2 number, since 2×155726315047² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 155726314988 and 155726315006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155726315077) 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, 740854 + ... + 927532.

It is an arithmetic number, because the mean of its divisors is an integer number (19611200700).

Almost surely, 2^155726315047 is an apocalyptic number.

155726315047 is a deficient number, since it is larger than the sum of its proper divisors (1163290553).

155726315047 is a wasteful number, since it uses less digits than its factorization.

155726315047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192905.

The product of its (nonzero) digits is 882000, while the sum is 46.

The spelling of 155726315047 in words is "one hundred fifty-five billion, seven hundred twenty-six million, three hundred fifteen thousand, forty-seven".