1553514451545 has 16 divisors (see below), whose sum is σ = 2840712140160. Its totient is φ = 710178034944.

The previous prime is 1553514451529. The next prime is 1553514451583. The reversal of 1553514451545 is 5451544153551.

It is not a de Polignac number, because 1553514451545 - 2⁴ = 1553514451529 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1553514451494 and 1553514451503.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7397687760 + ... + 7397687969.

It is an arithmetic number, because the mean of its divisors is an integer number (177544508760).

Almost surely, 2^{1553514451545} is an apocalyptic number.

1553514451545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1553514451545 is a deficient number, since it is larger than the sum of its proper divisors (1287197688615).

1553514451545 is a wasteful number, since it uses less digits than its factorization.

1553514451545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14795375744.

The product of its digits is 3000000, while the sum is 48.

The spelling of 1553514451545 in words is "one trillion, five hundred fifty-three billion, five hundred fourteen million, four hundred fifty-one thousand, five hundred forty-five".