2155342014802 has 4 divisors (see below), whose sum is σ = 3233013022206. Its totient is φ = 1077671007400.

The previous prime is 2155342014719. The next prime is 2155342014803. The reversal of 2155342014802 is 2084102435512.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1894589826481 + 260752188321 = 1376441^2 + 510639^2 .

It is not an unprimeable number, because it can be changed into a prime (2155342014803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 538835503699 + ... + 538835503702.

Almost surely, 2^{2155342014802} is an apocalyptic number.

2155342014802 is a deficient number, since it is larger than the sum of its proper divisors (1077671007404).

2155342014802 is a wasteful number, since it uses less digits than its factorization.

2155342014802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1077671007403.

The product of its (nonzero) digits is 76800, while the sum is 37.

The spelling of 2155342014802 in words is "two trillion, one hundred fifty-five billion, three hundred forty-two million, fourteen thousand, eight hundred two".