155011431362552 has 32 divisors (see below), whose sum is σ = 291898981108800. Its totient is φ = 77171714778624.

The previous prime is 155011431362497. The next prime is 155011431362573. The reversal of 155011431362552 is 255263134110551.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109663313 + ... + 111067839.

It is an arithmetic number, because the mean of its divisors is an integer number (9121843159650).

Almost surely, 2^{155011431362552} is an apocalyptic number.

It is an amenable number.

155011431362552 is a deficient number, since it is larger than the sum of its proper divisors (136887549746248).

155011431362552 is a wasteful number, since it uses less digits than its factorization.

155011431362552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1463975 (or 1463971 counting only the distinct ones).

The product of its (nonzero) digits is 540000, while the sum is 44.

The spelling of 155011431362552 in words is "one hundred fifty-five trillion, eleven billion, four hundred thirty-one million, three hundred sixty-two thousand, five hundred fifty-two".