155720556050701 has 16 divisors (see below), whose sum is σ = 163259735500800. Its totient is φ = 148353410620800.

The previous prime is 155720556050699. The next prime is 155720556050723. The reversal of 155720556050701 is 107050655027551.

It is a cyclic number.

It is not a de Polignac number, because 155720556050701 - 2¹ = 155720556050699 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 (155720550050701) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122601685 + ... + 123865306.

It is an arithmetic number, because the mean of its divisors is an integer number (10203733468800).

Almost surely, 2^{155720556050701} is an apocalyptic number.

It is an amenable number.

155720556050701 is a deficient number, since it is larger than the sum of its proper divisors (7539179450099).

155720556050701 is a wasteful number, since it uses less digits than its factorization.

155720556050701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246467340.

The product of its (nonzero) digits is 1837500, while the sum is 49.

The spelling of 155720556050701 in words is "one hundred fifty-five trillion, seven hundred twenty billion, five hundred fifty-six million, fifty thousand, seven hundred one".