1555401325532 has 12 divisors (see below), whose sum is σ = 2752536054240. Its totient is φ = 768962452896.

The previous prime is 1555401325477. The next prime is 1555401325571. The reversal of 1555401325532 is 2355231045551.

It is a self number, because there is not a number n which added to its sum of digits gives 1555401325532.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2184552068 + ... + 2184552779.

It is an arithmetic number, because the mean of its divisors is an integer number (229378004520).

Almost surely, 2^{1555401325532} is an apocalyptic number.

It is an amenable number.

1555401325532 is a deficient number, since it is larger than the sum of its proper divisors (1197134728708).

1555401325532 is a wasteful number, since it uses less digits than its factorization.

1555401325532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4369104940 (or 4369104938 counting only the distinct ones).

The product of its (nonzero) digits is 450000, while the sum is 41.

The spelling of 1555401325532 in words is "one trillion, five hundred fifty-five billion, four hundred one million, three hundred twenty-five thousand, five hundred thirty-two".