1550520215041 has 64 divisors (see below), whose sum is σ = 1948928117760. Its totient is φ = 1203437813760.

The previous prime is 1550520214951. The next prime is 1550520215089. The reversal of 1550520215041 is 1405120250551.

It is not a de Polignac number, because 1550520215041 - 2³⁵ = 1516160476673 is a prime.

It is a super-2 number, since 2×1550520215041² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1550520214994 and 1550520215012.

It is not an unprimeable number, because it can be changed into a prime (1550520215141) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 129647020 + ... + 129658978.

It is an arithmetic number, because the mean of its divisors is an integer number (30452001840).

Almost surely, 2^{1550520215041} is an apocalyptic number.

It is an amenable number.

1550520215041 is a deficient number, since it is larger than the sum of its proper divisors (398407902719).

1550520215041 is a wasteful number, since it uses less digits than its factorization.

1550520215041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12434.

The product of its (nonzero) digits is 10000, while the sum is 31.

Adding to 1550520215041 its reverse (1405120250551), we get a palindrome (2955640465592).

The spelling of 1550520215041 in words is "one trillion, five hundred fifty billion, five hundred twenty million, two hundred fifteen thousand, forty-one".