1233405151055 has 64 divisors (see below), whose sum is σ = 1883440512000. Its totient is φ = 768680357760.

The previous prime is 1233405151019. The next prime is 1233405151057. The reversal of 1233405151055 is 5501515043321.

It is not a de Polignac number, because 1233405151055 - 2¹⁰ = 1233405150031 is a prime.

It is a super-2 number, since 2×1233405151055² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1233405151057) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 120221516 + ... + 120231774.

It is an arithmetic number, because the mean of its divisors is an integer number (29428758000).

Almost surely, 2^{1233405151055} is an apocalyptic number.

1233405151055 is a deficient number, since it is larger than the sum of its proper divisors (650035360945).

1233405151055 is a wasteful number, since it uses less digits than its factorization.

1233405151055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16669 (or 16655 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 35.

The spelling of 1233405151055 in words is "one trillion, two hundred thirty-three billion, four hundred five million, one hundred fifty-one thousand, fifty-five".