1553141402553 has 16 divisors (see below), whose sum is σ = 2230203125696. Its totient is φ = 955757309760.

The previous prime is 1553141402503. The next prime is 1553141402557. The reversal of 1553141402553 is 3552041413551.

It is not a de Polignac number, because 1553141402553 - 2¹⁴ = 1553141386169 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (1553141402557) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1346151 + ... + 2217747.

It is an arithmetic number, because the mean of its divisors is an integer number (139387695356).

Almost surely, 2^{1553141402553} is an apocalyptic number.

1553141402553 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1553141402553 is a deficient number, since it is larger than the sum of its proper divisors (677061723143).

1553141402553 is a wasteful number, since it uses less digits than its factorization.

1553141402553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 917304.

The product of its (nonzero) digits is 180000, while the sum is 39.

The spelling of 1553141402553 in words is "one trillion, five hundred fifty-three billion, one hundred forty-one million, four hundred two thousand, five hundred fifty-three".