155042603563011 has 32 divisors (see below), whose sum is σ = 216715248949248. Its totient is φ = 98492509301760.

The previous prime is 155042603562991. The next prime is 155042603563031. The reversal of 155042603563011 is 110365306240551.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (155042603562991) and next prime (155042603563031).

It is not a de Polignac number, because 155042603563011 - 2⁹ = 155042603562499 is a prime.

It is a super-2 number, since 2×155042603563011² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (155042603563031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24719910 + ... + 30350603.

It is an arithmetic number, because the mean of its divisors is an integer number (6772351529664).

Almost surely, 2^{155042603563011} is an apocalyptic number.

155042603563011 is a deficient number, since it is larger than the sum of its proper divisors (61672645386237).

155042603563011 is a wasteful number, since it uses less digits than its factorization.

155042603563011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55071091.

The product of its (nonzero) digits is 324000, while the sum is 42.

The spelling of 155042603563011 in words is "one hundred fifty-five trillion, forty-two billion, six hundred three million, five hundred sixty-three thousand, eleven".